Fix SCM accept input commnad

[vinokurig]

Signed-off-by: Igor Vinokur [email protected]

What it does

Pass native arguments of the SCM acceptInputCommand to plugin side, instead of passing an ScmRepository object to avoid Converting circular structure to JSON error.

How to test

1. Remove "@theia/git": ... from examples/browser/package.json file.
2. Download vscode-git-1.44.2 and copy it to the plugins folder.
3. Compile and start Theia and open a workspace with some project cloned from GitHub and make some changes in it.
4. Open the SCM panel and stage the changes.:
   
5. Type a commit message and press CTRL + ENTER.

See: commit successfully added.

fixes eclipse-che/che#18067

Review checklist

• as an author, I have thoroughly tested my changes and carefully followed the review guidelines

Reminder for reviewers

• as a reviewer, I agree to behave in accordance with the review guidelines

[azatsarynnyy]

Ctrl+Enter works now. Thanks!