Complete when() to if() syntax migration in transpiler

[Copilot]

Completes the migration from custom when(() => ...) syntax to standard JavaScript if() statements. The parser already supports if statements and converts them to INAV logic conditions. This PR updates all examples, documentation, and diagnostics to use and promote the modern syntax.

Changes Made

• Examples (tabs/transpiler/examples/index.js) - Converted all 7 examples from when(() => condition, () => { ... }) to if (condition) { ... } syntax
• Type definitions (tabs/transpiler/api/types.js) - Marked when() function as @deprecated to discourage its use
• Diagnostics (tabs/transpiler/editor/diagnostics.js) - Updated to warn users when using deprecated when() syntax and suggest if statements instead
• Parser comments (tabs/transpiler/transpiler/parser.js) - Updated all comments to reference if statements and logic conditions instead of when()

Example Conversion

// Old syntax (deprecated)
when(() => flight.homeDistance > 100, () => {
  override.vtx.power = 3;
});

// New syntax (current)
if (flight.homeDistance > 100) {
  override.vtx.power = 3;
}

The migration ensures users see modern JavaScript syntax in all examples and receive editor warnings if they attempt to use the deprecated when() syntax.

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[sensei-hacker]

I have made some changes

[sensei-hacker]

@copilot I have made some changes. Does you see anything else that needs to be done?

[Copilot]

@copilot I have made some changes. Does you see anything else that needs to be done?

I've completed the migration from when(() => ...) to standard JavaScript if statements. Changes made in commit 620c192:

1. Updated all examples - All 7 code examples now use if (condition) { } instead of when(() => condition, () => { })

2. Deprecated when() function - Added @deprecated tag to when() in type definitions (tabs/transpiler/api/types.js)

3. Updated diagnostics - Now warns users when they use when() and suggests using if statements instead (tabs/transpiler/editor/diagnostics.js)

4. Updated parser comments - Replaced all references to "when()" with "if statements" or "logic conditions" (tabs/transpiler/transpiler/parser.js)

The migration is now complete. All examples demonstrate the modern syntax, and users will be guided away from the deprecated when() syntax through editor warnings.