Resolving bug on SVG generation from TMLARchi diag

src/main/java/ui/tmldd/TMLArchiBUSNode.java

src/main/java/ui/tmldd/TMLArchiBridgeNode.java

src/main/java/ui/tmldd/TMLArchiCPUNode.java

src/main/java/ui/tmldd/TMLArchiDMANode.java

src/main/java/ui/tmldd/TMLArchiFPGANode.java

src/main/java/ui/tmldd/TMLArchiFirewallNode.java

src/main/java/ui/tmldd/TMLArchiMemoryNode.java