Fix for the following error happening when opening climate page (and maybe other pages also):
```
Template variable warning: list object has no element 3 when rendering '{%- if settings_entity_value != "unknown" and settings_entity_value.split(',') | count >= 3 -%} {{ settings_entity_value.split(',')[3] }} {%- else -%} unknown {%- endif -%}'
```
- Fix for "Loading..." taking forever when a color was selected prior to the new RGB picker and was not updated.
* This is no fixing the input itself, so users still having to pick a color again with the new selector, but the panel won't get stuck on "Loading..." before the new color selection is made.
This fix the following error which happens when an entity with a non-numeric value ('unknown', 'unavailable', some text, etc.) is sent to the device:
```
Error: Error rendering data template: ValueError: Template error: round got invalid input 'Geen' when rendering template '{{ states(repeat.item.entity) |round(1) }}{{ state_attr(repeat.item.entity, "unit_of_measurement") }}' but no default was specified
```
This may also implement the feature requested in #490
This add the support to user selected date and time formats.
The following formats are supported now:
- Date formats:
- EU: 22.03
- UK: 22/03
- US: 3/22
- Time formats:
- EU/UK: 13:30
- US: 1:30 AM/PM (the AM7PM info will be depending on updates on TFT file)
- Fix the error where a missing/invalid entity causes the panel to slow down when opening a new page or keeps with "Loading..." on the screen until it timeouts.
This will probably fix#493
- Optimizing MUI (Multilingual User Interface) code in order to make easier add new languages and to read the code. It will probably consume a bit less resources by reducing the number of `if..elif...` and by removing a bunch of `string.replace`.
- Language selection list sorted alphabetically in order to make easier to find
Used YAML alias to simplify the code in the `input:` area. This will make easier to maintain as it creates single points of changes, promoting consistence.
