Applying Header content to the publish dialog (Icon + Publish Project label)

[ssreerama]

Pull Request Template – vscode-mssql

Task: #20898

Description

• Adding Icon + Header to the publish preview dialog
• Created a common shared header component and reusing in both publish and connection dialogs.
• Updated the changelog.

Code Changes Checklist

• New or updated unit tests added
• All existing tests pass (npm run test)
• Code follows contributing guidelines
• Telemetry/logging updated if relevant
• No regressions or UX breakage

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[github-actions]

PR Changes

Category	Target Branch	PR Branch	Difference
vscode-mssql VSIX	5293 KB	5295 KB	⚪ 2 KB ( 0% )
sql-database-projects VSIX	5669 KB	5669 KB	⚪ 0 KB ( 0% )
data-workspace VSIX	null KB	543 KB	⚪ 543 KB ( 0% )

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.67%. Comparing base (b1b2b41) to head (95a44ae).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #20899   +/-   ##
=======================================
  Coverage   66.67%   66.67%           
=======================================
  Files         210      210           
  Lines       20287    20287           
  Branches     2641     2641           
=======================================
  Hits        13526    13526           
  Misses       6663     6663           
  Partials       98       98           

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