fix: resolve dark mode contrast issues on legal pages

[AnkitRewar11]

Description
This PR fixes #7677

In dark mode, text on Code of Conduct and Terms of Service pages was invisible (dark text on dark background). On Privacy page, the data processing table was rendering in light mode regardless of user's theme preference. Issue resolved only after manually switching theme.

Root Cause

• terms.style.js had no color properties defined, so text became invisible in dark mode
• privacy/index.js — SistentThemeProvider was rendering with wrong initial theme before ThemeManager resolved correct theme from localStorage
• sub-processors/index.js — SistentThemeProvider was not re-mounting on theme change

Changes Made

• terms.style.js: added props.theme.whiteToBlack color for all text elements to ensure proper contrast in dark and light mode
• privacy/index.js: added didLoad flag to defer SistentThemeProvider render until theme is fully resolved, preventing incorrect light mode flash on table
• sub-processors/index.js: added key={isDark ? "dark" : "light"} to SistentThemeProvider to force re-mount on theme change

Notes for Reviewers
No new dependencies added. Changes are scoped only to legal pages.

Signed commits

• Yes, I signed my commits.

Uploading Screen Recording 2026-05-07 040211.mp4…

Uploading Screen Recording 2026-05-07 040211.mp4…

Uploading Screen Recording 2026-05-07 040211.mp4…

Uploading Screen Recording 2026-05-07 040211.mp4…

[github-actions]

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[rishiraj38]

@AnkitRewar11, the issue persists. Please check the preview.

[AnkitRewar11]

@rishiraj38
Bro, are you sure the preview is working correctly? Because when I build it locally, I’m not seeing any issue.

[AnkitRewar11]

@rishiraj38
I’m not able to share the video here. I’ll send it to you on Slack, please check it there.

[rishiraj38]

@AnkitRewar11, try a commit and rebuild the preview. there’s some issue with the current preview; the whole built-in integration component is showing up.

[Bhumikagarggg]

@AnkitRewar11 Thank you for your contribution! Let's discuss this during the website call tomorrow at 5:30 PM IST | 7 AM CST Add it as an agenda item to the meeting minutes, if you would 🙂