refactor(control): implement ESLint -> remove unnecessary imports, improve general code quality

control/frontend/src/routes/TipTapInput.svelte

@@ -9,7 +9,6 @@
 		Highlighter,
 		Italic,
 		PaintBucket,
-		QrCode,
 		Strikethrough
 	} from 'lucide-svelte';
 	import Button from '$lib/components/Button.svelte';
@@ -149,7 +148,7 @@
 		editor_state.editor?.destroy();
 	});
 </script>
-
+
 {#each Object.values(color_states) as color_state, i (i)}
 	<input type="color" bind:this={color_state.el} bind:value={color_state.value} class="hidden" />
 {/each}
@@ -163,9 +162,9 @@
 	</div>
 
 	<div class="flex flex-col gap-2 justify-between">
-		<div class="flex flex-col gap-2">
+		<div class="flex flex-col gap-2">
 			{#each text_edit_options as edit_row, i (i)}
-				<div class="flex flex-row gap-1">
+				<div class="flex flex-row gap-1">
 					{#each edit_row as option, j (j)}
 						<div class="flex flex-row">
 							<button