iOS ExternalActionViewModifierPlugin: expose controllers, transition func, and apply func

[nancywu1]

Expose controllers, transition func, and apply func for ExternalWidgetPlugin

Change Type (required)

Indicate the type of change your pull request is:

• patch
• minor
• major

Does your PR have any documentation updates?

• Updated docs
• No Update needed
• Unable to update docs

📦 Published PR as canary version: 0.9.2--canary.539.18149

Try this version out locally by upgrading relevant packages to 0.9.2--canary.539.18149

[nancywu1]

/canary

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.88%. Comparing base (0fb5a67) to head (e4fb8f6).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...tui/Sources/ExternalActionViewModifierPlugin.swift	90.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #539      +/-   ##
==========================================
- Coverage   91.88%   91.88%   -0.01%     
==========================================
  Files         341      341              
  Lines       27303    27309       +6     
  Branches     1944     1944              
==========================================
+ Hits        25087    25092       +5     
- Misses       2202     2203       +1     
  Partials       14       14              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.