Improved Locales (#5497)

- Switch Chinese time format to 24-hours - fixes #5496
- Use always 4 chars for year
- Use one `HH` instead of `H`, so we don't have to convert during runtime
- Update all locales
- Allow seeing time and date format in help UI
- Fix RTL in UI
- Show stats about found formats in Locales command

templates/help/index.html.twig

@@ -1,6 +1,10 @@
 {% extends 'datatable.html.twig' %}
 {% import "macros/widgets.html.twig" as widgets %}
 
+{% block datatable_column_attr %}
+    {%- if entry.rtl %} dir="rtl"{% endif -%}
+{% endblock %}
+
 {% block datatable_column_value %}
     {% if column == 'name' %}
         {{ entry.name }}
@@ -18,6 +22,10 @@
         {{ entry.decimal }}
     {% elseif column == 'money' %}
         {{ entry.money }}
+    {% elseif column == 'time_format' %}
+        {{ entry.time_format }}
+    {% elseif column == 'date_format' %}
+        {{ entry.date_format }}
     {% elseif column == 'hour_24' %}
         {{ widgets.label_boolean(entry.hour_24) }}
     {% elseif column == 'rtl' %}