Implement most of the remaining layout changes

Includes the mobile UX optimizations and the tweaks we've made to cut down on wasted space, but does not yet include the change to embed the spotlight tile within the grid.

src/tile/GridTile.tsx

@@ -57,7 +57,6 @@ interface TileProps {
   style?: ComponentProps<typeof animated.div>["style"];
   targetWidth: number;
   targetHeight: number;
-  maximised: boolean;
   displayName: string;
   nameTag: string;
   showSpeakingIndicators: boolean;
@@ -79,7 +78,6 @@ const UserMediaTile = forwardRef<HTMLDivElement, UserMediaTileProps>(
       menuEnd,
       className,
       nameTag,
-      maximised,
       ...props
     },
     ref,
@@ -151,7 +149,6 @@ const UserMediaTile = forwardRef<HTMLDivElement, UserMediaTileProps>(
             {menu}
           </Menu>
         }
-        data-maximised={maximised}
         {...props}
       />
     );
@@ -273,9 +270,6 @@ RemoteUserMediaTile.displayName = "RemoteUserMediaTile";
 
 interface GridTileProps {
   vm: UserMediaViewModel;
-  maximised: boolean;
-  fullscreen: boolean;
-  onToggleFullscreen: (itemId: string) => void;
   onOpenProfile: () => void;
   targetWidth: number;
   targetHeight: number;
@@ -285,7 +279,7 @@ interface GridTileProps {
 }
 
 export const GridTile = forwardRef<HTMLDivElement, GridTileProps>(
-  ({ vm, fullscreen, onToggleFullscreen, onOpenProfile, ...props }, ref) => {
+  ({ vm, onOpenProfile, ...props }, ref) => {
     const nameData = useNameData(vm);
 
     if (vm instanceof LocalUserMediaViewModel) {