feat(tornado): Gate user info behind data_collection config

[ericapisani]

Apply the data_collection.user_info setting to the Tornado integration's user info collection, giving it precedence over the legacy send_default_pii boolean when explicitly configured. This covers the user.ip_address scope attribute applied to all spans, the client.address span attribute, and the is_authenticated user flag on error events, mirroring the behavior already shipped for Flask, WSGI, ASGI, Django, and Sanic.

The user IP span test is reparametrized with the shared DATA_COLLECTION_USER_INFO_CASES matrix from tests/integrations/utils.py, and new tests cover the previously untested client.address span attribute and the data_collection gating of the is_authenticated flag.

Refs PY-2583
Refs #6746

[linear-code]

PY-2583

[cursor]

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[github-actions]

Codecov Results 📊

✅ 96588 passed | ⏭️ 6410 skipped | Total: 102998 | Pass Rate: 93.78% | Execution Time: 341m 7s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📈 +728
Passed Tests	📈 +658
Failed Tests	—
Skipped Tests	📈 +70

All tests are passing successfully.

✅ Patch coverage is 90.48%. Project has 2514 uncovered lines.
✅ Project coverage is 89.68%. Comparing base (base) to head (head).

Files with missing lines (1)

File	Patch %	Lines
sentry_sdk/integrations/tornado.py	90.48%	⚠️ 2 Missing and 3 partials

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    89.67%    89.68%    +0.01%
==========================================
  Files          193       193         —
  Lines        24321     24359       +38
  Branches      8572      8612       +40
==========================================
+ Hits         21809     21845       +36
- Misses        2512      2514        +2
- Partials      1397      1398        +1

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