Move settings to modals & better modal handling (#194)

* feat(ui): Add other session handling route and modal

* feat(ui): Add dedicated update route and refactor update dialog state management

* feat(ui): Add local authentication route

* refactor(ui): Remove LocalAuthPasswordDialog component and clean up related code

* refactor(ui): Remove OtherSessionConnectedModal component

* feat(ui): Add dedicated mount route and refactor mount media dialog

* refactor(ui): Simplify Escape key navigation in device route

* refactor(ui): Add TODO comments for future URL-based state migration

* refactor(ui): Migrate settings and update routes to dedicated routes

This commit introduces a comprehensive refactoring of the UI routing and state management:
- Removed sidebar-based settings view
- Replaced global modal state with URL-based routing
- Added dedicated routes for settings, including general, security, and update sections
- Simplified modal and sidebar interactions
- Improved animation and transition handling using motion library
- Removed deprecated components and simplified route structure

* fix(ui): Add TODO comment for modal session interaction

* refactor(ui): Move USB configuration to new settings setup

This commit introduces several improvements to the USB configuration workflow:
- Refactored USB configuration dialog component
- Simplified USB config state management
- Moved USB configuration to hardware settings route
- Updated JSON-RPC type definitions
- Cleaned up unused imports and components
- Improved error handling and notifications

* refactor(ui): Replace react-router-dom navigation with custom navigation hook

This commit introduces a new custom navigation hook `useDeviceUiNavigation` to replace direct usage of `useNavigate` across multiple components:
- Removed direct `useNavigate` imports in various components
- Added `navigateTo` method from new navigation hook
- Updated navigation calls in ActionBar, MountPopover, UpdateInProgressStatusCard, and other routes
- Simplified navigation logic and prepared for potential future navigation enhancements
- Removed console logs and unnecessary comments

* refactor(ui): Remove unused react-router-dom import

Clean up unnecessary import of `useNavigate` from react-router-dom in device settings route

* feat(ui): Improve mobile navigation and scrolling in device settings

* refactor(ui): Reorganize device access and security settings

This commit introduces several changes to the device access and security settings:
- Renamed "Security" section to "Access" in settings navigation
- Moved local authentication routes from security to access
- Removed deprecated security settings route
- Added new route for device access settings with cloud and local authentication management
- Updated cloud URL and adoption logic to be part of the access settings
- Simplified routing and component structure for better user experience

* fix(ui): Update logout button hover state color

* fix(ui): Adjust device de-registration button size to small

* fix(ui): Update appearance settings section header and description

* refactor(ui): Replace SectionHeader with new SettingsPageHeader and SettingsSectionHeader components

This commit introduces two new header components for settings pages:
- Created SettingsPageHeader for main page headers
- Created SettingsSectionHeader for subsection headers
- Replaced all existing SectionHeader imports with new components
- Updated styling and type definitions to support more flexible header rendering

* feat(ui): Add dev channel toggle to advanced settings

Move dev channel update option from general settings to advanced settings
- Introduced new state and handler for dev channel toggle
- Removed dev channel option from general settings route
- Added dev channel toggle in advanced settings with error handling

ui/src/routes/devices.$id.settings.appearance.tsx

@@ -0,0 +1,53 @@
+import { useCallback, useState } from "react";
+import { SettingsPageHeader } from "../components/SettingsPageheader";
+import { SelectMenuBasic } from "../components/SelectMenuBasic";
+import { SettingsItem } from "./devices.$id.settings";
+
+export default function SettingsAppearanceRoute() {
+  const [currentTheme, setCurrentTheme] = useState(() => {
+    return localStorage.theme || "system";
+  });
+
+  const handleThemeChange = useCallback((value: string) => {
+    const root = document.documentElement;
+
+    if (value === "system") {
+      localStorage.removeItem("theme");
+      // Check system preference
+      const systemTheme = window.matchMedia("(prefers-color-scheme: dark)").matches
+        ? "dark"
+        : "light";
+      root.classList.remove("light", "dark");
+      root.classList.add(systemTheme);
+    } else {
+      localStorage.theme = value;
+      root.classList.remove("light", "dark");
+      root.classList.add(value);
+    }
+  }, []);
+
+  return (
+    <div className="space-y-4">
+      <SettingsPageHeader
+        title="Appearance"
+        description="Customize the look and feel of your JetKVM interface"
+      />
+      <SettingsItem title="Theme" description="Choose your preferred color theme">
+        <SelectMenuBasic
+          size="SM"
+          label=""
+          value={currentTheme}
+          options={[
+            { value: "system", label: "System" },
+            { value: "light", label: "Light" },
+            { value: "dark", label: "Dark" },
+          ]}
+          onChange={e => {
+            setCurrentTheme(e.target.value);
+            handleThemeChange(e.target.value);
+          }}
+        />
+      </SettingsItem>
+    </div>
+  );
+}