Fix Schema Compare switch direction button to match Azure Data Studio behavior

[Copilot]

The Schema Compare "Switch Direction" button was incorrectly disabled when either the source or target endpoint was empty, which differs from Azure Data Studio behavior where the button is enabled as long as at least one endpoint is populated.

Changes Made

Modified the disabled condition in CompareActionBar.tsx for the Switch Direction button:

Before:

disabled={
    context.state.isComparisonInProgress ||
    isEndpointEmpty(context.state.sourceEndpointInfo) ||
    isEndpointEmpty(context.state.targetEndpointInfo)
}

After:

disabled={
    context.state.isComparisonInProgress ||
    (isEndpointEmpty(context.state.sourceEndpointInfo) &&
        isEndpointEmpty(context.state.targetEndpointInfo))
}

Behavior Changes

Scenario	Before	After
Both endpoints empty	Disabled ✅	Disabled ✅
Source populated, target empty	Disabled ❌	Enabled ✅
Source empty, target populated	Disabled ❌	Enabled ✅
Both endpoints populated	Enabled ✅	Enabled ✅

Design Rationale

• Switch Direction button: Should be enabled when at least one endpoint exists to allow switching between source/target positions
• Other buttons (Compare, Options, Save): Correctly maintain OR logic as they require both endpoints to function

This change aligns the VS Code extension behavior with Azure Data Studio, providing a consistent user experience across Microsoft's SQL tooling.

Fixes #19335.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• update.code.visualstudio.com
  • Triggering command: /usr/local/bin/node ./out/test/unit/runTest.js (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

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[github-actions]

PR Changes

Category	Main Branch	PR Branch	Difference
Code Coverage	59.42%	59.32%	⚪ 0.00%
VSIX Size	15486 KB	15502 KB	⚪ 16 KB ( 0% )
Webview Bundle Size	3772 KB	3772 KB	⚪ 0 KB ( 0% )