Fixes on Study Browser:
- Make the Browse and Search Button text aligned to the rest of direction text.
- Change Search Result to Search Results
- Make the Close All tabs button appear only  when there is two or more tabs open

GCP-9537

Reviewer: Dennis(Post-Commit)
- Adjust the button width of Browse and Search in Study Browser
- Set a predefined height to make the content of tabs visible to IE.

GCP-9537 & GCP-9663

Reviewer: Dennis
Merge branch 'master' into branch_update_from_changes