ms2/fixes for mobile view

[FelipeTrost]

Summary

Changes for mobile view:

• header: use custom org logo
• mobile drawer: profile options
• mobile drawer: close when item was selected
• create organization page: don't display back button on mobile

[github-actions[bot]]

✅ Successfully created Preview Deployment.

https://pr-371---ms-server-staging-c4f6qdpj7q-ew.a.run.app