mscolab: Selected Project highlight removed if new project is added

[Tanish Grover]

If a project is already activated and a new project is added. The selected project highlight is removed but the view buttons remain active.

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[Reimar Bauer]

fixes issue #533

→ <<cset 7883180bd745>>

[Reimar Bauer]

Merged in tanish19/mss/issue533 (pull request #776)

fixes issue #533 project being unselected after adding new project

Approved-by: Shivashis Padhi [e-mail]

→ <<cset 61c5a56dff99>>