fix: allow opening integrations with no integrations

[jankuca]

Summary by CodeRabbit

• Refactor
  • Enhanced integrations interface to display appropriately when no integrations are available, ensuring consistent user experience across all scenarios.

[coderabbitai]

📝 Walkthrough

Walkthrough

The change modifies showIntegrationsUI to remove an early-return guard block that previously checked for empty integrations. Before, when no integrations were detected, a message would display and the function would exit. Now, the function proceeds to invoke the webview provider regardless of integration availability, allowing the UI to render even with an empty integrations map.

Pre-merge checks

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title directly describes the main change: removing a guard block to allow the integrations UI to open even when no integrations exist.

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📜 Recent review details

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📥 Commits

Reviewing files that changed from the base of the PR and between dab37cb and ea7224c.

📒 Files selected for processing (1)

• src/notebooks/deepnote/integrations/integrationManager.ts (0 hunks)

💤 Files with no reviewable changes (1)

• src/notebooks/deepnote/integrations/integrationManager.ts

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73%. Comparing base (5fdad19) to head (41cf90a).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #170   +/-   ##
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  Coverage     73%     73%           
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  Files        574     574           
  Lines      46813   46813           
  Branches    5519    5519           
=====================================
  Hits       34358   34358           
  Misses     10637   10637           
  Partials    1818    1818           

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