Search problem in cmake build step

In the Project panel, for a cmake project, whe nadding a build step there is a list of checkboxes that represent the available targets for the project.

It is possible to Ctrl+F in that list to quickly find a specific target, but in the 4.12 versions this feature doesn't work. The "Find" tool appears but it cannot find anything.

I saw this bug reported in te beta at some time, , but I cannot find it anymore.  I am currently using the version 4.12.4 and the bug is still here :/