[FEATURE] Update UI modals

[ianmuchyri]

Is there an existing feature request for this?

• [X] I have searched the existing feature requests

Is your feature request related to a problem? Please describe.

They seem out of place and are squeezed

Describe the feature you are requesting, as well as the possible use case(s) for it.

We need to update the various modals around the UI to have a better UX feel as well as the infinite scrolls. Also, fix some of the syntax errors such as filter by name instead of filter by id

Indicate the importance of this feature to you.

• [ ] Must-have
• [X] Should-have
• [ ] Nice-to-have

Anything else?

No response

[ianmuchyri]

Input fields in the modals should be aligned with the rest of the UI Also, the dropdown menu should have some indicator (e.g an arrow) showing that it is actually a drop-down menu

[ianmuchyri]

The filters do not work properly when adding users to groups

[ianmuchyri]

sync this section with the rest of the UI