chore(studio): polish privacy policy notice

[everettbu]

Mirror of supabase/supabase#43889
Original author: dnywh

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What kind of change does this PR introduce?

Minor polish

What is the current behavior?

We have a privacy policy notice that uses Alert_Shadcn_ with bespoke links and badge.

What is the new behavior?

• Reuse Admonition and InlineLink components
• Use sentence case as per our copywriting guidelines
• Tighten copywriting

Before	After

Additional context

Legal should sign off on this too.

[github-actions]

🎭 Playwright Test Results

 1 failed
 156 passed
 1 flaky
 5 skipped

Details

 163 tests across 20 suites
 3 minutes
 c10288c

Failed tests

Features › realtime-inspector.spec.ts › Realtime Inspector › Broadcast Messages › broadcast modal validates JSON payload

Flaky tests

Features › queue-table-operations.spec.ts › Queue Table Operations › pending changes persist when switching between tables

Skipped tests

Features › assistant.spec.ts › AI Assistant › Can send a message to the assistant and receive a response
Features › sql-editor.spec.ts › SQL Editor › snippet favourite works as expected
Features › sql-editor.spec.ts › SQL Editor › share with team works as expected
Features › sql-editor.spec.ts › SQL Editor › folders works as expected
Features › sql-editor.spec.ts › SQL Editor › other SQL snippets actions work as expected

[blacksmith-sh]

Found 9 test failures on Blacksmith runners:

Failures

Test	View Logs
[Features] › features/ queue-table-operations.spec.ts:422:3 › Queue Table Operations › pending changes persist when switching between tables	View Logs
[Features] › features/ realtime-inspector.spec.ts:115:5 › Realtime Inspector › Broadcast Messages › broadcast modal validates JSON payload	View Logs
Queue Table Operations/pending changes persist when switching between tables	View Logs
Realtime Inspector › Broadcast Messages/broadcast modal validates JSON payload	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #1)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #2)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #3)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #4)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #5)	View Logs