Update REPORT_DIR_SUFFIX to reflect patch counts instead of frame counts

- Change eval_ov_encoder_large_2kpatches_codec.sh: "_8frames_codec" -> "_2kpatches_codec"
- Change eval_ov_encoder_large_4kpatches_codec.sh: "_64frames_codec" -> "_4kpatches_codec"

Co-authored-by: FeilongTangmonash <152372878+FeilongTangmonash@users.noreply.github.com>

Author: Copilot

eval_encoder/shells_eval_ap/eval_ov_encoder_large_2kpatches_codec.sh

@@ -13,7 +13,7 @@ FRAMES_TOKEN_NUM=256
 EMBEDDING_SIZE=1024
 NUM_FRAMES=64
 K_keep=2048
-REPORT_DIR_SUFFIX="_8frames_codec"
+REPORT_DIR_SUFFIX="_2kpatches_codec"
 
 DEFAULT_DATASETS=(
     "ssv2"

eval_encoder/shells_eval_ap/eval_ov_encoder_large_4kpatches_codec.sh

@@ -13,7 +13,7 @@ FRAMES_TOKEN_NUM=256
 EMBEDDING_SIZE=1024
 NUM_FRAMES=64
 K_keep=4096
-REPORT_DIR_SUFFIX="_64frames_codec"
+REPORT_DIR_SUFFIX="_4kpatches_codec"
 
 DEFAULT_DATASETS=(
     "ssv2"