Merge branch 'master' of ssh://float.beyondsoft.de/git/beyondSoft/BeWo

# Conflicts:
#	BeWoPlanerMobil/Controllers/MainController.cs
#	BeWoPlanerMobil/Scripts/mainView.js
#	Host/Multitenancy/demo.config
#	Service/Plugins/ServiceRecordValidator.cs

Shared/Core/Utils.cs

@@ -625,6 +625,23 @@ namespace BS.Shared.Core
             
             return result.Trim(pSeperator?.ToCharArray());
         }
+
+        public static long? ParseObjectToNullableLong(object object2Parse)
+        {
+            if(object2Parse == null)
+            {
+                return null;
+            }
+            
+            var wasSuccessful = long.TryParse(object2Parse.ToString(), out var output);
+
+            if(wasSuccessful)
+            {
+                return output;
+            }
+            
+            return null;
+        }
     }
 
     public struct NullCompareResult