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/MediaView.tsx

@@ -42,7 +42,6 @@ interface Props extends ComponentProps<typeof animated.div> {
   nameTag: string;
   displayName: string;
   primaryButton?: ReactNode;
-  secondaryButton?: ReactNode;
 }
 
 export const MediaView = forwardRef<HTMLDivElement, Props>(
@@ -62,7 +61,6 @@ export const MediaView = forwardRef<HTMLDivElement, Props>(
       nameTag,
       displayName,
       primaryButton,
-      secondaryButton,
       ...props
     },
     ref,
@@ -120,7 +118,6 @@ export const MediaView = forwardRef<HTMLDivElement, Props>(
             )}
           </div>
           {primaryButton}
-          {secondaryButton}
         </div>
       </animated.div>
     );