Update GeolocationException.cs to fix typos (#676)

Changes made:
- Corrected "occured" to "occurred"
- Corrected "GelocationError" to "GeolocationError"

src/ClientApp/Models/Location/GeolocationException.cs

@@ -3,22 +3,22 @@
 public class GeolocationException : Exception
 {
     public GeolocationException(GeolocationError error)
-        : base("A geolocation error occured: " + error)
+        : base("A geolocation error occurred: " + error)
     {
         if (!Enum.IsDefined(typeof(GeolocationError), error))
         {
-            throw new ArgumentException("error is not a valid GelocationError member", nameof(error));
+            throw new ArgumentException("error is not a valid GeolocationError member", nameof(error));
         }
 
         Error = error;
     }
 
     public GeolocationException(GeolocationError error, Exception innerException)
-        : base("A geolocation error occured: " + error, innerException)
+        : base("A geolocation error occurred: " + error, innerException)
     {
         if (!Enum.IsDefined(typeof(GeolocationError), error))
         {
-            throw new ArgumentException("error is not a valid GelocationError member", nameof(error));
+            throw new ArgumentException("error is not a valid GeolocationError member", nameof(error));
         }
 
         Error = error;