## Description
When parsing intents, not every path for authentication was checked, so
launching via the "Next Up" OS channel wouldn't check for a profile PIN.
This PR fixes that.
Additionally, the "Next Up" OS channel launch wasn't checking the
correct parameter to ensure the back stack was written properly.
### Related issues
Fixes#1883
### Testing
I manually test on the emulator with these test cases:
- No profile PIN, cold start
- No profile PIN, hot start
- Profile PIN, cold start
- Profile PIN, hot start
- No profile PIN, launch via "Next Up" channel
- No profile PIN, launch via intent
- Profile PIN, launch via "Next Up" channel
- Profile PIN, launch via intent
Also added unit tests for intent-based and regular launching which
covers those cases and more.
## Screenshots
N/A
## AI or LLM usage
None
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