fix(Core/Spells): Resolve pet to owner in EffectSummonType default path

[blinkysc]

Changes Proposed:

This PR proposes changes to:

• Core (units, players, creatures, game systems).
• Scripts (bosses, spell scripts, creature scripts).
• Database (SAI, creatures, etc).

Extends the pet-to-owner resolution from SummonGuardian (added in #25266) to the default summon path in EffectSummonType. When a pet casts a summon spell with properties that route through the default path (e.g. Category=ALLY, Type=NONE), the summoned creature was incorrectly owned by the pet instead of the player.

AI-assisted Pull Requests

• AI tools (e.g. ChatGPT, Claude, or similar) were used entirely or partially in preparing this pull request: Claude Code (Anthropic) with AzerothMCP

Issues Addressed:

• Closes

SOURCE:

The changes have been validated through:

• Live research (checked on live servers, e.g Classic WotLK, Retail, etc.)
• Sniffs (remember to share them with the open source community!)
• Video evidence, knowledge databases or other public sources (e.g forums, Wowhead, etc.)
• The changes promoted by this pull request come partially or entirely from another project (cherry-pick).

Tests Performed:

This PR has been:

• Tested in-game by the author.
• Tested in-game by other community members/someone else other than the author/has been live on production servers.
• This pull request requires further testing and may have edge cases to be tested.

How to Test the Changes:

• This pull request can be tested by following the reproduction steps provided in the linked issue
• This pull request requires further testing. Provide steps to test your changes. If it requires any specific setup e.g multiple players please specify it as well.

1. Play as a Death Knight or Hunter with an active pet
2. Have the pet get the killing blow on a creature that cross-casts a summon spell on death via SAI (SMART_ACTION_CROSS_CAST with SMART_TARGET_ACTION_INVOKER) where the summon properties route through the default EffectSummonType path (e.g. Category=ALLY, Type=NONE)
3. Verify the summoned creature is owned by the player, not the pet

Known Issues and TODO List:

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