UI improvement: Add option to select/deselect all filters in Log Viewer drop-down

[jakob-bagterp]

Prerequisites

• I have added steps to test this contribution in the description below

Feature update per discussion: #10765

Description

Add select/deselect all feature to the Log Viewer.

And it also supports localisations of the button labels (Danish included in this pull request):

[umbrabot]

Hi there @jakob-bagterp, thank you for this contribution! 👍

While we wait for one of the Core Collaborators team to have a look at your work, we wanted to let you know about that we have a checklist for some of the things we will consider during review:

• It's clear what problem this is solving, there's a connected issue or a description of what the changes do and how to test them
• The automated tests all pass (see "Checks" tab on this PR)
• The level of security for this contribution is the same or improved
• The level of performance for this contribution is the same or improved
• Avoids creating breaking changes; note that behavioral changes might also be perceived as breaking
• If this is a new feature, Umbraco HQ provided guidance on the implementation beforehand
• The contribution looks original and the contributor is presumably allowed to share it

Don't worry if you got something wrong. We like to think of a pull request as the start of a conversation, we're happy to provide guidance on improving your contribution.

If you realize that you might want to make some changes then you can do that by adding new commits to the branch you created for this work and pushing new commits. They should then automatically show up as updates to this pull request.

Thanks, from your friendly Umbraco GitHub bot 🤖 🙂

[bjarnef]

It should probably add a single og two <umb-dropdown-item> as last item(s) and buttons inside here to clear and select all.

@mattbrailsford has added something similar in Vendr where a clear button is shown at bottom on one or more selection. Maybe he has some feedback as well?

[jakob-bagterp]

It should probably add a single og two <umb-dropdown-item> as last item(s) and buttons inside here to clear and select all.

@bjarnef: Good point. The buttons are hereby wrapped in the <umb-dropdown-item> directive. It looks and behaves as before, and I agree that the HTML is more semantically correct now.

[nathanwoulfe]

Thanks @jakob-bagterp, this works really nicely. Extra bonus points for going to the effort of adding translations, that's greatly appreciated.

I made a couple of minor changes to use forEach and map in place of the for... loops, functionally all the same, just reduces LOC a little.