Fix formatting under clang-format >=19.1

After pre-commit bumped our clang-format to 19.1.0 it started formatting
some files differently (and incorrectly).

It turns out it's due to missing AttributeMacros config. Previous
clang-format versions were more lenient about it.

See llvm/llvm-project#94184

.clang-format

@@ -34,3 +34,4 @@ BraceWrapping:
     IndentBraces: false
 
 CommentPragmas:  '/\*(.+\n.+)+\*/'
+AttributeMacros: [KDFOUNDATION_API, KDGUI_API, KDUTILS_EXPORT]