Rename stream_type to frontend_stream_type

[allenporter]

Breaking change

Proposed change

Rename the stream_type variable to frontend_stream_type make it more clear this type controls frontend behavior only, since cameras can support multiple stream types in core. @frenck suggested this after we talked through an example where Tuya cameras may support both types of streams, and it makes sense to specify more clearly what the stream type controls. Original discussion for stream_type was in home-assistant/architecture#640

Core has been updated to set both frontend_stream_type and stream_type in home-assistant/core#57923

Planned cleanup steps are:

• Rename stream_type to stream_frontend_type core
• Rename this variable here
• Release core nightly
• Update frontend referenced in core nightly
• Remove `stream_type in core

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue or discussion:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

[allenporter]

Converting to draft since i changed the rollout plan, and will likely merge home-assistant/core#57923 first