Support light theme and minor UI Fixes (AST-115631)

[cx-rahul-pidde]

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Description

This PR addresses visual inconsistencies between light and dark themes across multiple sections of the VS Code extension UI. The update ensures that all interactive elements, tooltips, icons, and info texts adapt to the active theme (data-vscode-theme-kind).

References

Include supporting link to GitHub Issue/PR number

Testing

Test the VS Code plugin UI across the following themes:

• Light
• Dark
• High Contrast
• High Contrast Light

Checklist

• I have added documentation for new/changed functionality in this PR (if applicable).
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used

[github-actions]

Checkmarx One – Scan Summary & Details – 0cba0fdd-18da-4fd1-a7c4-ea8d8b8ec44a

Great job! No new security vulnerabilities introduced in this pull request

[cx-anurag-dalke]

ok

[cx-anurag-dalke]

ok