Nodes - Added pin value visualization

Nodes - Update values in UI in realtime
Integer node - Fixed loading by removing some trial & error code

src/Artemis.Core/VisualScripting/InputPin.cs

@@ -26,6 +26,7 @@ namespace Artemis.Core
             {
                 _value = value;
                 IsEvaluated = true;
+                OnPropertyChanged(nameof(PinValue));
             }
         }
 
@@ -75,6 +76,7 @@ namespace Artemis.Core
 
                 _value = value;
                 IsEvaluated = true;
+                OnPropertyChanged(nameof(PinValue));
             }
         }
 

src/Artemis.Core/VisualScripting/OutputPin.cs

@@ -25,6 +25,8 @@ namespace Artemis.Core
             {
                 _value = value;
                 IsEvaluated = true;
+
+                OnPropertyChanged(nameof(PinValue));
             }
         }
 
@@ -64,6 +66,7 @@ namespace Artemis.Core
 
                 _value = value;
                 IsEvaluated = true;
+                OnPropertyChanged(nameof(PinValue));
             }
         }