fix: Fix 'Changes' actions of the Source Control panel

[RomanNikitenko]

What does this PR do?

This reverts commit 151ef35
The commit caused a regression, please see eclipse-che/che#23323

What issues does this PR fix?

eclipse-che/che#23323

How to test this PR?

• Go to the dashboard => Create Workspace page
• put quay.io/che-incubator-pull-requests/che-code:pr-502-amd64 to the Editor image field and select any sample
• open a file, provide any change
• open Source Control panel => ... => More actions => Changes submenu
• Check if actions of the Changes submenu are enabled
• Try to use any action from that submenu

Does this PR contain changes that override default upstream Code-OSS behavior?

• the PR contains changes in the code folder (you can skip it if your changes are placed in a che extension )
• the corresponding items were added to the CHANGELOG.md file
• rules for automatic git rebase were added to the .rebase folder

The commit 151ef35 was reverted in the upstream as well, so we don't need any rules for automatic git rebase.

[github-actions]

Click here to review and test in web IDE:

[github-actions]

Pull Request images published ✨

Editor: quay.io/che-incubator-pull-requests/che-code:pr-502-amd64
Dev image: quay.io/che-incubator-pull-requests/che-code-dev:pr-502-dev-amd64

[github-actions]

Pull Request images published ✨

Editor amd64: quay.io/che-incubator-pull-requests/che-code:pr-502-amd64
Editor arm64: quay.io/che-incubator-pull-requests/che-code:pr-502-arm64
Dev image: quay.io/che-incubator-pull-requests/che-code-dev:pr-502-dev-amd64

[devspacesbuild]

Build 3.20 :: code_3.x/1551: Console, Changes, Git Data