Auto merge of #160982 - jdonszelmann:fix-unic-ucd, r=adwinwhite,lcnr

stop using fully_perform_locally with the next solver, it's worse (perf fix for unic-ucd)



r? @adwinwhite 



> [!NOTE]
> I've not used an LLM for any part of this PR, or any other PR I make. This includes any related work like research.