fix: remove duplicate 'Loading projects...' in sidebar

[EricBlanquer]

Summary

• Removed a duplicate <h3>Loading projects...</h3> heading that appeared twice in the sidebar during project loading
• The duplicate was accidentally introduced in commit fea8e30 (i18n translation) which re-added a heading that had been replaced by the progress bar in commit 9e03acb

Summary by CodeRabbit

• Bug Fixes
  • Removed a duplicated heading and extra descriptive line from the Projects loading state, leaving a single loading header alongside the existing spinner and progress UI to reduce visual clutter and improve clarity during load.

[coderabbitai]

Walkthrough

Removed a duplicate "Loading projects" heading and an extra descriptive paragraph from the Sidebar component's Projects list loading state; spinner and progress UI remain unchanged.

Changes

Cohort / File(s)	Summary
Sidebar Loading State Cleanup src/components/Sidebar.jsx	Deleted redundant heading and paragraph in the Projects list loading UI, leaving a single loading header plus existing spinner and progress indicators.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Add loading progress indicator #311: Modifies Sidebar.jsx loading-state rendering and adds loadingProgress-based UI; touches the same component and loading presentation.

Suggested reviewers

• viper151

Poem

🐰 I nibbled code by candlelight,

A duplicate heading gave a fright,
I hopped it out with nimble paws,
Now loading reads without the flaws,
Hooray — one less line, applause! 🎉

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'fix: remove duplicate 'Loading projects...' in sidebar' directly and clearly describes the main change in the pull request—removing a duplicate heading that appeared in the sidebar's loading UI.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[blackmammoth]

thanks @EricBlanquer...I will add this in the WIP refactor PR #374