Track mode selector opened in telemetry

[mrubens]

Important

Add telemetry tracking for mode selector opening in ModeSelector.tsx by introducing MODE_SELECTOR_OPENED event.

• Telemetry:
  • Add MODE_SELECTOR_OPENED to TelemetryEventName in telemetry.ts.
  • Update rooCodeTelemetryEventSchema in telemetry.ts to include MODE_SELECTOR_OPENED.
• ModeSelector Component:
  • In ModeSelector.tsx, add trackModeSelectorOpened() to capture TelemetryEventName.MODE_SELECTOR_OPENED when the mode selector is opened.

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[delve-auditor]

✅ No security or compliance issues detected. Reviewed everything up to 639070f.

Security Overview

• 🔎 Scanned files: 2 changed file(s)

Detected Code Changes

Change Type	Relevant files
Enhancement	► telemetry.ts     Add MODE_SELECTOR_OPENED telemetry event ► ModeSelector.tsx     Implement mode selector opened tracking

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