[DOCS] Update listing of notebooks with badges (openvinotoolkit#1825)

Improving generation of list of notebooks with Binder and Colab badges.

.ci/convert_notebooks.sh

@@ -10,9 +10,9 @@ tagslist=$rstdir"/notebooks_tags.json"
 mkdir -p $rstdir
 
 # List all notebooks that contain binder or colab buttons based on readme
-for n in $(git ls-files '*.ipynb' ':!:*utils.ipynb'); do
-    cat ${n%/*}"/README.md" | grep -oP "https://mybinder.org/v2.*?[0-9]{3}.*?ipynb" | sed 's#%2F#/#g' | xargs basename -a -s .ipynb {} | sort | uniq > $binderlist
-    cat ${n%/*}"/README.md" | grep -oP "https://colab.research.google.com/github.*?[0-9]{3}.*?ipynb" | xargs basename -s .ipynb {} | sort | uniq > $colablist
+for n in $(git ls-files '*.md'); do
+    cat $n | grep -oP "https://mybinder.org/v2.*?[0-9]{3}.*?ipynb" | sed 's#%2F#/#g' | sed -e 's|[^/]*/||g' -e 's|.ipynb$||' | sort | uniq >> $binderlist
+    cat $n | grep -oP "https://colab.research.google.com/github.*?[0-9]{3}.*?ipynb" | sed -e 's|[^/]*/||g' -e 's|.ipynb$||' | sort | uniq >> $colablist
 done
 find notebooks -maxdepth 2 -name "*.ipynb" | sort > $notebooklist
 taggerpath=$(git ls-files "*tagger.py")