Allow to hide toolbar items via context menu

[msujew]

Feature Description:

VS Code allows to hide toolbar items for editors and other widgets via a context menu:

We should replicate something similar. See also the discussion over at #13999.

[zhouxinghong]

Version 1.53.200
Windows 10 19044

Hello my friend! Please allow users to remove unnecessary buttons.
For example, use the button pointed by the red scissors:

Because it calls the Markdown preview function that comes with VSCode, after a long period of testing and use, it is found that the Markdown preview function that comes with VSCode is a broken, outdated and incomplete existence, so please delete it.

Please remove this old right-click menu item.
Because it calls the Markdown preview function that comes with VSCode, after a long period of testing and use, it is found that the Markdown preview function that comes with VSCode is a broken, outdated and incomplete existence, so please delete it.

Please remove this old preview option.
Because it calls the Markdown preview function that comes with VSCode, after a long period of testing and use, it is found that the Markdown preview function that comes with VSCode is a broken, outdated and incomplete existence, so please delete it.

Version 1.53.200
Windows 10 19044

[Siddharthgup]

Hi @msujew and @zhouxinghong , I would like to do some contribution in this project. Can you include me in this project.

[msujew]

@Siddharthgup Thank you for your interest to look into this! I've assigned you :)