fix(toolbar): sync undo and redo availability when controls mount - #987

fix(toolbar): sync undo and redo availability when controls mount#987

petyosi merged 4 commits into

mdx-editor:mainmdx-editor/editor:mainfrom

huyanxius:fix/654-conditional-history-toolbarhuyanxius/editor:fix/654-conditional-history-toolbarCopy head branch name to clipboard