fix: call mode persisting after width change issue

src/lib/components/chat/MessageInput/CallOverlay.svelte

@@ -1,9 +1,6 @@
 <script lang="ts">
 	import { config, models, settings, showCallOverlay } from '$lib/stores';
 	import { onMount, tick, getContext, onDestroy, createEventDispatcher } from 'svelte';
-	import { DropdownMenu } from 'bits-ui';
-	import Dropdown from '$lib/components/common/Dropdown.svelte';
-	import { flyAndScale } from '$lib/utils/transitions';
 
 	const dispatch = createEventDispatcher();
 
@@ -35,12 +32,10 @@
 	let assistantSpeaking = false;
 
 	let emoji = null;
-
 	let camera = false;
 	let cameraStream = null;
 
 	let chatStreaming = false;
-
 	let rmsLevel = 0;
 	let hasStartedSpeaking = false;
 	let mediaRecorder;
@@ -220,32 +215,42 @@
 	};
 
 	const startRecording = async () => {
-		if (!audioStream) {
-			audioStream = await navigator.mediaDevices.getUserMedia({ audio: true });
-		}
-		mediaRecorder = new MediaRecorder(audioStream);
-
-		mediaRecorder.onstart = () => {
-			console.log('Recording started');
-			audioChunks = [];
-			analyseAudio(audioStream);
-		};
-
-		mediaRecorder.ondataavailable = (event) => {
-			if (hasStartedSpeaking) {
-				audioChunks.push(event.data);
+		if ($showCallOverlay) {
+			if (!audioStream) {
+				audioStream = await navigator.mediaDevices.getUserMedia({ audio: true });
 			}
-		};
+			mediaRecorder = new MediaRecorder(audioStream);
 
-		mediaRecorder.onstop = (e) => {
-			console.log('Recording stopped', audioStream, e);
-			stopRecordingCallback();
-		};
+			mediaRecorder.onstart = () => {
+				console.log('Recording started');
+				audioChunks = [];
+				analyseAudio(audioStream);
+			};
 
-		mediaRecorder.start();
+			mediaRecorder.ondataavailable = (event) => {
+				if (hasStartedSpeaking) {
+					audioChunks.push(event.data);
+				}
+			};
+
+			mediaRecorder.onstop = (e) => {
+				console.log('Recording stopped', audioStream, e);
+				stopRecordingCallback();
+			};
+
+			mediaRecorder.start();
+		}
 	};
 
 	const stopAudioStream = async () => {
+		try {
+			if (mediaRecorder) {
+				mediaRecorder.stop();
+			}
+		} catch (error) {
+			console.log('Error stopping audio stream:', error);
+		}
+
 		if (!audioStream) return;
 
 		audioStream.getAudioTracks().forEach(function (track) {
@@ -640,19 +645,18 @@
 
 	onDestroy(async () => {
 		await stopAllAudio();
-		stopAudioStream();
+		await stopRecordingCallback(false);
+		await stopCamera();
 
+		await stopAudioStream();
 		eventTarget.removeEventListener('chat:start', chatStartHandler);
 		eventTarget.removeEventListener('chat', chatEventHandler);
 		eventTarget.removeEventListener('chat:finish', chatFinishHandler);
-
 		audioAbortController.abort();
+
 		await tick();
 
 		await stopAllAudio();
-
-		await stopRecordingCallback(false);
-		await stopCamera();
 	});
 </script>