JS translation fix (#6288) (#6289)

* Implement {% jstrans %} template

- Forces string escaping in translated text
- Required for js written in templates

* Fix part_base.html

* Update .html files

- Change any templated javascript code to use {% jstrans %}

* Update .js files

- Explicitly use {% jstrans %}

* Update CI checks

ci/check_js_templates.py

@@ -51,6 +51,7 @@ def check_prohibited_tags(data):
         'for',
         'endfor',
         'trans',
+        'jstrans',
         'load',
         'include',
         'url',
@@ -89,18 +90,18 @@ for filename in pathlib.Path(js_dynamic_dir).rglob('*.js'):
     with open(filename, 'r') as js_file:
         data = js_file.readlines()
 
-    pattern = r'{% trans '
+    invalid_tags = ['trans', 'jstrans']
 
     err_count = 0
 
     for idx, line in enumerate(data):
+        for tag in invalid_tags:
+            tag = '{% ' + tag
+            if tag in line:
+                err_count += 1
 
-        results = re.findall(pattern, line)
+                print(f" > Error on line {idx+1}: Prohibited tag '{tag}' found")
 
-        if len(results) > 0:
-            errors += 1
-
-            print(f" > prohibited {{% trans %}} tag found at line {idx + 1}")
 
 if errors > 0:
     print(f"Found {errors} incorrect template tags")