Resolving bug on zoom in avatar block diagrams

modeling/AVATAR/MicroWaveOven_SafetySecurity_fullMethodo.xml

src/main/java/ui/TDiagramPanel.java

src/main/java/ui/TGCScalableWithInternalComponent.java

src/main/java/ui/TGCScalableWithoutInternalComponent.java

src/main/java/ui/TGComponent.java

src/main/java/ui/avatarbd/AvatarBDPragma.java