Fix logic for no cameras detected modal (#1978)

fixes #1977 

Previously, the logic was checking for the camera object to be the same
as the placeholder camera object. Logic has been changed to check only
the name of the camera object.

photon-client/src/views/DashboardView.vue

@@ -43,7 +43,7 @@ const cameraViewType = computed<number[]>({
 const warningShown = computed<boolean>(() => {
   return (
     Object.values(useCameraSettingsStore().cameras).length === 0 ||
-    useCameraSettingsStore().cameras["Placeholder Name"] === PlaceholderCameraSettings
+    PlaceholderCameraSettings.nickname === useCameraSettingsStore().currentCameraName
   );
 });