fix: do not show byod toast in vcp

[ehoops-cz]

If CellxGene is embedded in VCP, we shouldn't show the toast to direct people to VCP.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (f4fa766) to head (3c1a0bb).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@     Coverage Diff      @@
##   main   #1329   +/-   ##
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