Fix #129530: ANIM: FPS drop due to invalid RNA paths

The playback FPS drop was caused by a debug `printf()` call. Its' been
replaced with a call to `CLOG_INFO()` with a log level of `4`, so that it's
available when necessary but no longer eats up performance due to the I/O.

Pull Request: https://projects.blender.org/blender/blender/pulls/129685

source/blender/animrig/intern/evaluation.cc

@@ -11,8 +11,12 @@
 
 #include "BLI_map.hh"
 
+#include "CLG_log.h"
+
 #include "evaluation_internal.hh"
 
+static CLG_LogRef LOG = {"animrig.evaluation"};
+
 namespace blender::animrig {
 
 using namespace internal;
@@ -153,10 +157,14 @@ static EvaluationResult evaluate_keyframe_data(PointerRNA &animated_id_ptr,
     if (!BKE_animsys_rna_path_resolve(
             &animated_id_ptr, fcu->rna_path, fcu->array_index, &anim_rna))
     {
-      printf("Cannot resolve RNA path %s[%d] on ID %s\n",
-             fcu->rna_path,
-             fcu->array_index,
-             animated_id_ptr.owner_id->name);
+      /* Log this at quite a high level, because it can get _very_ noisy when playing back
+       * animation. */
+      CLOG_INFO(&LOG,
+                4,
+                "Cannot resolve RNA path %s[%d] on ID %s\n",
+                fcu->rna_path,
+                fcu->array_index,
+                animated_id_ptr.owner_id->name);
       continue;
     }