Add code block copy and collapse functionality (#2361)

* add buttons to codeblocks

* add functionality

* Document functions

* Improve accessibility

* Remove pointless DefaultReset

* implement some requested changes

* fix content shift when expanding or collapsing

---------

Co-authored-by: Ajay Bura <32841439+ajbura@users.noreply.github.com>

src/app/components/editor/Elements.tsx

@@ -162,7 +162,7 @@ export function RenderElement({ attributes, element, children }: RenderElementPr
             visibility="Hover"
             hideTrack
           >
-            <div className={css.CodeBlockInternal}>{children}</div>
+            <div className={css.CodeBlockInternal()}>{children}</div>
           </Scroll>
         </Text>
       );