Truncate image queries below max tokens length supported by ML model

This would previously return the infamous tensor size mismatch error
Verify this error is not raised since adding the query truncation logic

src/search_type/image_search.py

@@ -143,7 +143,9 @@ def query(raw_query, count, model: ImageSearchModel):
         query.thumbnail((640, query.height)) # scale down image for faster processing
         logger.info(f"Find Images by Image: {query_imagepath}")
     else:
-        query = raw_query
+        # Truncate words in query to stay below max_tokens supported by ML model
+        max_words = 20
+        query = " ".join(raw_query.split()[:max_words])
         logger.info(f"Find Images by Text: {query}")
 
     # Now we encode the query (which can either be an image or a text string)