remove usage of deprecated Dropdown and Selector components

[barreiro]

I replaced with the SimpleSelect (and variants) template in most places. There were other options that could be used, but this one was the easier to work with, looked good and also deals well with long lists of options that overflow.

[barreiro]

the only major change in layout is in LabelSelect.tsx where a complex dropdown was used. I moved the filtering so that I could use a template like in other places.

Here is the before

and after

[lampajr]

Hi @barreiro,

It looks really great to me! I tried to play a little bit with the Horreum and all looks good, I did not spot anything wrong but I'd like another pair of eyes to double check this.

[willr3]

My memory of the UI code is quite outdated. Thank you for bringing the UI closer to the current era :)