Fem: Increase size of reference node symbol in rigid body constraint - fixes FreeCAD#14133

Author: marioalexis84

src/Mod/Fem/Gui/Resources/symbols/ConstraintRigidBody.iv

@@ -6,26 +6,26 @@ Separator {
   Separator {
 
     Translation {
-      translation 0 2.5 0
+      translation 0 3 0
     }
     Sphere {
-      radius 0.5
+      radius 0.3
 
     }
     Translation {
-      translation 0 -1.25 0
+      translation 0 -1.5 0
 
     }
     Cylinder {
-      radius 0.25
-      height 2.5
+      radius 0.15
+      height 3
 
     }
   }
   Separator {
 
     Sphere {
-      radius 0.25
+      radius 0.5
 
     }
   }