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/LangSelector.ts

@@ -349,15 +349,16 @@ export class LangSelector extends LitElement {
         id="lang-selector"
         title="Change Language"
         @click=${this.openModal}
-        class="border-none bg-none cursor-pointer p-0 flex items-center justify-center"
+        class="border-none bg-none cursor-pointer p-0 flex items-center justify-center transition-transform duration-200 hover:scale-[1.1] active:scale-[0.9]"
         style="width: 28px; height: 28px;"
       >
         <img
           id="lang-flag"
-          class="object-contain hover:scale-110 transition-transform duration-200"
+          class="object-contain pointer-events-none"
           style="width: 28px; height: 28px;"
           src="/flags/${currentLang.svg}.svg"
           alt="flag"
+          draggable="false"
         />
       </button>
     `;