fix: automatically select highest available video resolution

frontend/src/components/WebcamFileSource.vue

@@ -100,6 +100,12 @@ export default {
       if (this.stream) this.allowed = true;
     },
     async assignStream() {
+      const capabilities = this.stream.getTracks()[0].getCapabilities();
+      await this.attemptGetUserMedia({
+        deviceId: capabilities.deviceId,
+        width: {exact: capabilities.width.max},
+        height: {exact: capabilities.height.max}
+      })
       this.capturing = true;
       this.streaming = false;
       const {video} = this.$refs;