Trigger image upload from keyboard (#891) (#893)

* Adding tabindex to ImageUpload div wrapper in order to make it selectable
* Adding keyboard event handler to listen to Enter key stroke and trigger file upload selection

Co-authored-by: Keyan <34140557+huumn@users.noreply.github.com>

components/image.js

@@ -229,7 +229,11 @@ export const ImageUpload = forwardRef(({ children, className, onSelect, onUpload
           }
         }}
       />
-      <div className={className} onClick={() => ref.current?.click()} style={{ cursor: 'pointer' }}>
+      <div
+        className={className} onClick={() => ref.current?.click()} style={{ cursor: 'pointer' }} tabindex={0} onKeyDown={(e) => {
+          if (e.key === 'Enter') { ref.current?.click() }
+        }}
+      >
         {children}
       </div>
     </>