fix: tooltip text color changed from white to black

[SaishWadnere]

Pull Request

Description

Tooltip color was white so i changed it to black for better visibility.
Closes #461

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My changes generate no new warnings
• New and existing unit tests pass locally with my changes

UI Changes

[vercel]

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[SaishWadnere]

Hi @viru0909-dev can you please check my pr