[TASK] Update CSS and HTML in BE view

[rintisch]

• Use TYPO3-native date input fields.
• Payment and shipping get background colors depending on their status.
• Use TYPO3-native layout functionality.
• Remove inline CSS
• Restyle list view (update filters, pagination)
• Restyle order view
• Add changelog for new TypoScript option for search date format
• Update docs for TypoScript search date format

Fixes #465

[rintisch]

@extcode Could you have a look at the new styling and give me feedback what you think about it?

I'm not happy with the mixed usage of translations. The BE uses entries from locallang.xlf instead of using locallang_be.xlf. Imo this should be refactored.

[extcode]

This is a nice improvement. I would prefer to have more spacing in the table for the order data.

[rintisch]

Thanks for the feedback.
The data order table is styled as TYPO3 recommends it (screenshot from Styleguide)

Nevertheless: I doubled the spacing.

I will fulfill the open todo of the PR. How should we handle the usage of entries from locallang.xlf in the BE? Should they move as copy to locallang_be.xlf? Otherwise developer who only want to override a BE label might have a problem...

[extcode]

Let‘s copy the necessary to an own translation file.

[rintisch]

I must admit that I do not really understand the intention behind locallang_be.xlf and locallang_db.xlf. I cannot see a scheme. Is it necessary to have both? Can they be merged?

[rintisch]

@extcode I will make the language files clean ups in #471 because this will need a breaking changelog entry. Having it on it's on issue makes it easier for users to update.