Improve UI for admin > projects page

What does this MR do?

Admin > Projects page:

• Place nav-tabs before nav-control
• Remove bottom margin for p in project description

Group settings > Projects page:

• Fix vertical alignment
• Make project row consistent with admin/projects page

Fixes #32334 (closed) and #32333 (closed)

Screenshots

Admin > Projects page

Before	After

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Performance and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers