Update video-compare script

Displays frame number and difference at current frame in top right corner Adds frame wise navigation in video

scripts/Comparison/video_comparison.py

@@ -380,6 +380,8 @@ class ComparisonVideoPlayer:
         comp_output = comp.run()
         print("To go to the next comparison, press 'n'")
         print("To pause/play press 'p'")
+        print("To navigate frame-wise press 'd' (next frame) or 'a' (last frame). Note: video should be paused.")
+
         for line in comp_output:
             print("\r" + " " * 80, end="", flush=True)
             print("\r", end="", flush=True)