feat(call): add docked call panel and remote cursor overlay

- Implemented DockedCallPanel component to render the docked call interface when an active call is present.
- Created RemoteCursorOverlay component to display remote cursor positions during screen sharing.
- Added hooks for managing docked call state and remote cursor functionality.
- Introduced pending drag state management for seamless transitions between docked and floating states.
- Developed embed filter management components for personal and room-wide settings, allowing users to customize URL embed visibility.
- Implemented auto-joining functionality for rooms within spaces, enhancing user experience during space navigation.
- Added state management for tracking joining progress of rooms in spaces.

src/app/pages/client/ClientLayout.tsx

@@ -1,5 +1,6 @@
 import React, { ReactNode } from 'react';
 import { Box } from 'folds';
+import { DockedCallPanel } from '../../features/call/DockedCallPanel';
 
 type ClientLayoutProps = {
   nav: ReactNode;
@@ -10,6 +11,7 @@ export function ClientLayout({ nav, children }: ClientLayoutProps) {
     <Box grow="Yes">
       <Box shrink="No">{nav}</Box>
       <Box grow="Yes">{children}</Box>
+      <DockedCallPanel />
     </Box>
   );
 }