fix(directory): add the select all buttons

[MaxPostema]

fixes: 814

What are the main changes you did

• added a Select all services button
• added a Select all collections button
• buttons only show if a filter is set
• buttons hide if there are 0 items it could select
• aligned search field to filters below
• added 'no-wrap' to buttons with 'badge' ( in situations with limited space the buttons would take 2 lines )

How to test

see issue 814

Checklist

• Make the buttons work
• Maybe hide the button if everything it can select is selected?
• updated docs in case of new feature
• added/updated tests
• added/updated testplan to include a test for this fix, including ref to bug using # notation

[esthervanenckevort]

It works, but for me it would be logical if the button would change to deselect all if all are selected, but that can be addressed in a new story, since there is a workaround with the remove all button in the request basket.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud