Add Organization name to Navigation bar

[mygurukool]

impl

[mygurukool]

Works: when the org belongs to Mygurukool Doesnt work: when the org is for google classroom

Currently: Mygurukool (Beta) is displayed. ShouldBe:

• Google Classroom with its logo when the login is from GC session
• Ms Teams with its logo when the login is from Ms Teams session

[harshmewada]

https://github.com/mygurukool/schoolUI/commit/5959ed0afb0d292b1d6102f160181b208812b121

[mygurukool]

works