cmake: Fix IF_CHECK_PASSED option handling #31231

1. 
   hebasto commented at 9:01 am on November 6, 2024: member

   IF_CHECK_PASSED is a multi-value keyword, resulting in a list value. Convert it to a string before applying any string() command.

   Split from #30861.

   No current CMake code is affected by this bug.

2. cmake: Fix `IF_CHECK_PASSED` option handling

   `IF_CHECK_PASSED` is a multi-value keyword, resulting in a list value.
   Convert it to a string before applying any `string()` command.

   97a18c8545
3. hebasto added the label Bug on Nov 6, 2024
4. hebasto added the label Build system on Nov 6, 2024
5. 
   DrahtBot commented at 9:02 am on November 6, 2024: contributor

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/31231.

   Reviews

   See the guideline for information on the review process. A summary of reviews will appear here.

Contributors
hebasto DrahtBot

Labels
Bug Build system