Replace with fullscreen and close fullscreeen icons

apps/app/src/components/ExpandOrContractButton.tsx

@@ -1,4 +1,5 @@
-import React, { FC } from 'react';
+import type { FC } from 'react';
+import React from 'react';
 
 type Props = {
   isWindowExpanded: boolean,
@@ -24,9 +25,10 @@ const ExpandOrContractButton: FC<Props> = (props: Props) => {
   return (
     <button
       type="button"
-      className={`btn ${isWindowExpanded ? 'icon-size-actual' : 'icon-size-fullscreen'}`}
+      className="btn material-symbols-outlined"
       onClick={isWindowExpanded ? clickContractButtonHandler : clickExpandButtonHandler}
     >
+      {isWindowExpanded ? 'close_fullscreen' : 'open_in_full'}
     </button>
   );
 };

apps/app/src/components/PagePresentationModal.tsx

@@ -71,11 +71,12 @@ const PagePresentationModal = (): JSX.Element => {
     >
       <div className="grw-presentation-controls d-flex">
         <button
-          className={`btn ${fullscreen.active ? 'icon-size-actual' : 'icon-size-fullscreen'}`}
+          className="btn material-symbols-outlined"
           type="button"
           aria-label="fullscreen"
           onClick={toggleFullscreenHandler}
         >
+          {fullscreen.active ? 'close_fullscreen' : 'open_in_full'}
         </button>
         <button className="btn-close" type="button" aria-label="Close" onClick={closeHandler}></button>
       </div>