Fix pathsToIgnore joining for multiple entries

Changed from space-joined "${pathsToIgnore[*]}" to newline-joined
printf '%s\n' "${pathsToIgnore[@]}" so PHP explode("\n", ...) correctly
splits multiple ignore paths.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: LTSCommerce

includes/generic/rector.inc.bash

@@ -14,7 +14,7 @@ fi
 rectorVerbosity=""
 rectorIgnorePaths="";
 if [[ "placeholder-ignore-item" != "${pathsToIgnore[*]}" ]]; then
-  rectorIgnorePaths="${pathsToIgnore[*]}"
+  rectorIgnorePaths=$(printf '%s\n' "${pathsToIgnore[@]}")
 fi