When switching dark or light themes, the editor does not immediately switch themes

[codymullins]

Describe the bug
When switching dark or light themes, the editor does not immediately switch themes

To Reproduce
Steps to reproduce the behavior:

1. Execute a request
2. Open the settings dialog
3. Switch the theme (dark to light or vice-versa)
4. Click OK
5. Themes for the app switch, editor does not
6. Click the header tab under the response or request
7. Click back to the editor, now the theme has switched.

Expected behavior
Theme for the editor should switch immediately after changing themes.
A clear and concise description of what you expected to happen.

Notes
This may be fixed by figuring out how to manually destroy and re-render the editor. Potentially with StateHasChanged?