Add time tracking information to Issue Boards sidebar

What does this MR do?

This MR is replacement for https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/8617.

It adds Time tracking progress bar in Issue Boards sidebar that shows up when an issue card is clicked and sidebar is revealed.

Screenshots

Before	After

Conformity

• Changelog entry
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers

Closes #31331 (closed)