Fix icon not centered in the outer circle

nodeEditor/src/diagram/nodePort.ts

@@ -122,6 +122,8 @@ export class NodePort {
                 break;
             case NodeMaterialBlockConnectionPointTypes.Object:
                 this._img.src = "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyMSIgaGVpZ2h0PSIyMSIgdmlld0JveD0iMCAwIDIxIDIxIj48Y2lyY2xlIGN4PSI3LjEiIGN5PSIxMy4wOCIgcj0iMy4yNSIgc3R5bGU9ImZpbGw6I2ZmZiIvPjxwYXRoIGQ9Ik0xMC40OSwzQTcuNTIsNy41MiwwLDAsMCwzLDEwYTUuMTMsNS4xMywwLDEsMSw2LDcuODUsNy42MSw3LjYxLDAsMCwwLDEuNTIuMTYsNy41Miw3LjUyLDAsMCwwLDAtMTVaIiBzdHlsZT0iZmlsbDojZmZmIi8+PC9zdmc+";
+                this._img.style.width = "100%"; // it's so that the svg is correctly centered inside the outer circle
+                this._img.style.height = "100%";
                 break;
         }
     }