Refactor UI code for better readability and consistency

- Improved formatting of ListTile icons and text styles in settings_screen.dart, telemetry_screen.dart, usb_screen.dart, gif_picker.dart, path_editor_sheet.dart, repeater_login_dialog.dart, and room_login_dialog.dart for better readability.
- Consolidated TextStyle definitions into single lines where applicable.
- Updated notification_service.dart to enhance readability of notification ID assignment.
- Simplified function signatures in routing_sheet.dart for clarity.
- Cleaned up test assertions in usb_flow_test.dart for conciseness.
- Removed unused translations in untranslated.json to streamline localization files.

lib/screens/app_debug_log_screen.dart

@@ -75,7 +75,9 @@ class AppDebugLogScreen extends StatelessWidget {
                           entry.formattedTime,
                           style: TextStyle(
                             fontSize: 10,
-                            color: Theme.of(context).colorScheme.onSurfaceVariant,
+                            color: Theme.of(
+                              context,
+                            ).colorScheme.onSurfaceVariant,
                           ),
                         ),
                       );
@@ -95,7 +97,9 @@ class AppDebugLogScreen extends StatelessWidget {
                           context.l10n.debugLog_noEntries,
                           style: TextStyle(
                             fontSize: 16,
-                            color: Theme.of(context).colorScheme.onSurfaceVariant,
+                            color: Theme.of(
+                              context,
+                            ).colorScheme.onSurfaceVariant,
                           ),
                         ),
                         const SizedBox(height: 8),
@@ -103,7 +107,9 @@ class AppDebugLogScreen extends StatelessWidget {
                           context.l10n.debugLog_enableInSettings,
                           style: TextStyle(
                             fontSize: 12,
-                            color: Theme.of(context).colorScheme.onSurfaceVariant,
+                            color: Theme.of(
+                              context,
+                            ).colorScheme.onSurfaceVariant,
                           ),
                         ),
                       ],