[6.2] Fix SILCombine of inject_enum_addr when the enum is non-trivial but payload is trivial #82980
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Explanation: The SILCombine was using the type of inject_enum_data_addr 's operand instead of its result leading to creating of load instruction with invalid qualifier triggering ownership error.
Scope: Optimized swift code with enums
Issue: Fixes #82813
Main PR: #82978
Reviewer: @nate-chandler
Risk: Low
Testing: Swift CI testing