fix: update MarketplaceViewStateManager test to match default isFetching state

[daniel-lxs]

Summary

This PR fixes a failing test in the MarketplaceViewStateManager test suite.

Problem

The test "should initialize with default state" was expecting isFetching to be false, but the implementation correctly initializes it as true to show a loading state on initial load.

Solution

Updated the test expectation to match the actual behavior of the implementation, changing the expected value from false to true.

Changes

• Modified webview-ui/src/components/marketplace/__tests__/MarketplaceViewStateManager.spec.ts to expect isFetching: true in the default state

Testing

• ✅ The test now passes correctly
• ✅ No changes were made to the implementation logic
• ✅ All type checks pass
• ✅ All linting passes

---

Important

Fixes test in MarketplaceViewStateManager.spec.ts to expect isFetching: true in default state.

• Test Fix:
  • Update MarketplaceViewStateManager.spec.ts to expect isFetching: true in the default state.
• Testing:
  • Test now passes correctly.
  • No changes to implementation logic.
  • All type checks and linting pass.

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