Restore frozen annotation toolbar controls

[yvette-carlisle]

Summary

• restore frozen pen, arrow, and text style controls in the Swift native host
• preserve annotation styles on committed pen, arrow, and text edits
• normalize size wheel behavior for smooth-scroll devices and allow submitted text annotations to move in pointer mode

Validation

• cargo make fmt-swift
• cargo make lint-swift
• cargo make test-macos-native-host
• cargo make test-macos-native-host-stage
• git diff --check