fixGPS and whereami security issue

if you used an exact lat long for the node settings it would return the address of the "bot" might not be ideal.

modules/locationdata.py

@@ -13,16 +13,21 @@ trap_list_location = ("whereami", "tide", "moon", "wx", "wxc", "wxa", "wxalert")
 
 def where_am_i(lat=0, lon=0):
     whereIam = ""
+    grid = mh.to_maiden(float(lat), float(lon))
+
     if float(lat) == 0 and float(lon) == 0:
         return NO_DATA_NOGPS
+    
+    if float(lat) == latitudeValue and float(lon) == longitudeValue:
+        return "Grid: " + grid
+    
     # initialize Nominatim API
     geolocator = Nominatim(user_agent="mesh-bot")
-
+    # Nomatim API call to get address
     location = geolocator.reverse(lat + ", " + lon)
     address = location.raw['address']
     address_components = ['house_number', 'road', 'city', 'state', 'postcode', 'county', 'country']
     whereIam += ' '.join([address.get(component, '') for component in address_components if component in address])
-    grid = mh.to_maiden(float(lat), float(lon))
     whereIam += " Grid: " + grid
 
     return whereIam
@@ -263,4 +268,4 @@ def getActiveWeatherAlertsDetail(lat=0, lon=0):
 
     alerts = "\n".join(alerts)
     
-    return alerts
+    return alerts