Fix triggering firmware flasher tab twice

[haslinghuis]

• isolated fix from Fix port event handling #4661

Summary by CodeRabbit

• Bug Fixes
  • Stopped automatic redirect to the firmware flasher tab when attempting to open restricted tabs during an active connection. Navigation now remains on your current tab until you choose to switch, preventing surprise tab changes and preserving ongoing workflows.
  • Improves stability of the connection flow by relying on user-driven navigation, reducing accidental flasher launches and unintended context switches.

[coderabbitai]

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description Check	⚠️ Warning	The pull request description consists only of a single line referencing another PR and does not follow the repository’s required template; it lacks sections such as a summary of changes, motivation, testing instructions, CI status, and issue references.	Please update the description to follow the repository’s template by adding a clear summary of the change, motivation, testing steps, CI status, and any related issue references, and remove or replace the placeholder template text.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The title succinctly describes the primary change by indicating that the firmware flasher tab will no longer be triggered twice, which directly matches the code modifications removing the duplicate tab activation logic.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

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

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📜 Recent review details

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Review profile: CHILL

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📥 Commits

Reviewing files that changed from the base of the PR and between 6ecb566 and c78f644.

📒 Files selected for processing (1)

• src/js/main.js (0 hunks)

💤 Files with no reviewable changes (1)

• src/js/main.js

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Preview URL: https://pr4666.betaflight-app-preview.pages.dev

[nerdCopter]

• approving based on #4661 testing