ui polish (#3333)

## Description:

- disabled dragging in many places, select skin, select flag, select
lang, and footer stuff
- removed shadow from flags in flag selector
- added bounce to the lang selector

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

w.o.n

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/client/FlagInputModal.ts

@@ -59,7 +59,8 @@ export class FlagInputModal extends BaseModal {
                       w-[100px] sm:w-[120px]"
                 >
                   <img
-                    class="w-full h-auto rounded shadow-sm group-hover:scale-105 transition-transform duration-200"
+                    class="w-full h-auto rounded group-hover:scale-105 transition-transform duration-200 pointer-events-none"
+                    draggable="false"
                     src="/flags/${country.code}.svg"
                     loading="lazy"
                     @error=${(e: Event) => {