Suppress high_level_api import warning

Summary

The high_level_api experimental warning is now suppressed when importing the XLSX export tools.
#146 (closed)

Check List for the Author

• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Up-to-date JSON schema (or not necessary)
• Appropriate user and developer documentation (or not necessary)
• Annotations in code (Gitlab comments)

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md (or not necessary)
• Appropriate user and developer documentation (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

src/caosadvancedtools/table_json_conversion/fill_xlsx.py

@@ -355,7 +355,7 @@ validation_schema: dict, optional
 
     # Validation
     if validation_schema is not None:
-        # convert to array_schema is given schema is a model_schema
+        # convert to array_schema if given schema is a model_schema
         if 'properties' in validation_schema and validation_schema['properties'].values():
             if list(validation_schema['properties'].values())[0]["type"] != "array":
                 validation_schema = array_schema_from_model_schema(read_or_dict(validation_schema))