Fix warnings

Author: zkline101

Shared/Samples/Add dynamic entity layer/AddDynamicEntityLayerView.Model.swift

@@ -99,6 +99,8 @@ extension ConnectionStatus: CustomStringConvertible {
             return "Disconnected"
         case .failed:
             return "Failed"
+        @unknown default:
+            return "Unknown"
         }
     }
 }

Shared/Samples/Navigate route/NavigateRouteView.swift

@@ -275,6 +275,8 @@ private extension NavigateRouteView {
                         } else {
                             await locationDisplay.dataSource.stop()
                         }
+                    @unknown default:
+                        break
                     }
                 }
             }

Shared/Samples/Show realistic light and shadows/ShowRealisticLightAndShadowsView.swift

@@ -129,6 +129,8 @@ private extension SceneView.SunLighting {
             return "Light only"
         case .off:
             return "No Light"
+        @unknown default:
+            return "Unknown"
         }
     }
 }