Update OCR-Models list + small fix for empty list

app/templates/services/spacy_nlp_pipeline.html.j2

@@ -163,3 +163,14 @@
   </div>
 </div>
 {% endblock modals %}
+
+{% block scripts %}
+{{ super() }}
+<script>
+// Disable user model selection if no models are available
+{% if user_spacy_nlp_pipeline_models_count == 0 %}
+optionGroupOptions = document.querySelectorAll(".optgroup-option");
+optionGroupOptions[0].classList.add("disabled");
+{% endif %}
+</script>
+{% endblock scripts %}

app/templates/services/tesseract_ocr_pipeline.html.j2

@@ -147,6 +147,13 @@
 {% block scripts %}
 {{ super() }}
 <script>
+
+// Disable user model selection if no models are available
+{% if user_tesseract_ocr_pipeline_models_count == 0 %}
+optionGroupOptions = document.querySelectorAll(".optgroup-option");
+optionGroupOptions[0].classList.add("disabled");
+{% endif %}
+
 document.querySelector('#create-job-form-binarization').addEventListener('change', (event) => {
   document.querySelector('#create-job-form-ocropus_nlbin_threshold-container').classList.toggle('hide');
 });