feat: Add wrapOnWhere() method to group JOIN ON conditions

[roxblnfk]

🔍 What was changed

Added SelectQuery::wrapOnWhere() method

🤔 Why?

Required for cycle/orm#567

📝 Checklist

• How was this tested:
  • Tested manually
  • Unit tests added

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.68%. Comparing base (a064944) to head (fdea144).

Additional details and impacted files

@@            Coverage Diff            @@
##                2.x     #253   +/-   ##
=========================================
  Coverage     95.68%   95.68%           
- Complexity     2034     2038    +4     
=========================================
  Files           137      137           
  Lines          5764     5775   +11     
=========================================
+ Hits           5515     5526   +11     
  Misses          249      249           

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[Copilot]

Pull request overview

Adds a new wrapOnWhere() method to JoinTrait that wraps all currently registered ON conditions of the last registered JOIN into a single nested AND-group, mirroring the existing WhereTrait::wrapWhere(). This enables ORM scopes on joined relations to stay protected from later orOnWhere additions, supporting cycle/orm#567.

Changes:

• Add wrapOnWhere(): self to JoinTrait, with a no-op when no JOIN is registered or the last JOIN has no ON tokens.
• Add unit tests covering no-op cases, wrapping behavior, last-join targeting, and isolation from WHERE tokens.
• Add functional tests verifying the produced SQL across realistic JOIN scenarios.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
src/Query/Traits/JoinTrait.php	Introduces wrapOnWhere() mirroring wrapWhere() for JOIN ON tokens.
tests/Database/Unit/Query/Tokens/SelectQueryTest.php	Unit tests covering token-level behavior including no-op and last-join targeting.
tests/Database/Functional/Driver/Common/Query/SelectWithJoinQueryTest.php	Functional tests verifying generated SQL for typical wrap scenarios.

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