frontend: support input + refactoring

frontend/src/routes/stream/StreamUi.svelte

@@ -10,11 +10,11 @@
 
 <div class="stream-controls">
 	<div style="flex-grow: 1"></div>
-	<div class="bar-button" role="button" tabindex="0">
+	<div class="bar-button" role="button">
 		<Settings size="100%" />
 	</div>
 	<div style="width: 0.5%"></div>
-	<div class="bar-button" onclick={fullscreenFunc} role="button" tabindex="0">
+	<div class="bar-button" onclick={fullscreenFunc} role="button">
 		<Maximize size="100%" />
 	</div>
 	<div style="width: 0.5%"></div>
@@ -41,12 +41,12 @@
 		height: 5%;
 		width: 100%;
 
-		position: absolute;
+		/*position: absolute;*/
 
 		bottom: 0;
 		left: 0;
 
-		z-index: 2;
+		/*z-index: 2;*/
 
 		border-top-color: oklch(0.454 0 360);
 		border-top-width: 2px;