Fix for dark text for raise hand button in dark theme

[prabhjot-msft]

What

Before:

After:

Why

https://skype.visualstudio.com/SPOOL/_workitems/edit/4045402

How Tested

Process & policy checklist

• I have updated the project documentation to reflect my changes if necessary.
• I have read the CONTRIBUTING documentation.

Is this a breaking change?

• This change causes current functionality to break.

[github-actions]

📦 Chat bundle size

Bundle	Base Size (bytes)	Current Size (bytes)	Change	Delta (bytes)
build.bundle.js	1778427	1778427	➖ unchanged	0
195.bundle.js	365693	365693	➖ unchanged	0
450.bundle.js	4452	4452	➖ unchanged	0
82.bundle.js	28299	28299	➖ unchanged	0
91.bundle.js	4047	4047	➖ unchanged	0

Total change: +0 B ➖

[github-actions]

📦 CallWithChat bundle size

Bundle	Base Size (bytes)	Current Size (bytes)	Change	Delta (bytes)
build.bundle.js	6797824	6798260	⚠️ increased	436
350.bundle.js	362425	362425	➖ unchanged	0
398.bundle.js	12413574	12413574	➖ unchanged	0
450.bundle.js	4468	4468	➖ unchanged	0
82.bundle.js	28315	28315	➖ unchanged	0
91.bundle.js	4063	4063	➖ unchanged	0

Total change: +436 B ⚠️

[github-actions]

📦 Calling bundle size

Bundle	Base Size (bytes)	Current Size (bytes)	Change	Delta (bytes)
build.bundle.js	5822462	5822904	⚠️ increased	442
398.bundle.js	12413560	12413560	➖ unchanged	0

Total change: +442 B ⚠️

[github-actions]

Storybook 8 URL https://60c7ae6891f0e90039d7cd54-rxnxwwqubx.chromatic.com/

[github-actions]

@azure/communication-react jest test coverage for stable.

	Lines	Statements	Functions	Branches
Base	29562 / 47140 62.71%	29562 / 47140 62.71%	815 / 1491 54.66%	2419 / 3845 62.91%
Current	29576 / 47154 62.72%	29576 / 47154 62.72%	815 / 1491 54.66%	2419 / 3845 62.91%
Diff	14 / 14 0.01%	14 / 14 0.01%	0 / 0 0%	0 / 0 0%

[github-actions]

@azure/communication-react jest test coverage for beta.

	Lines	Statements	Functions	Branches
Base	58287 / 94616 61.6%	58287 / 94616 61.6%	1186 / 2714 43.69%	3384 / 5766 58.68%
Current	58304 / 94628 61.61%	58304 / 94628 61.61%	1186 / 2714 43.69%	3427 / 5790 59.18%
Diff	17 / 12 0.01%	17 / 12 0.01%	0 / 0 0%	43 / 24 0.5%