TD: Issue #0004473: Expose openCommand() to translation

Continuing the work to expose the undo/redo functionality to translation. This commit does so for the TechDraw Wb.  
Ticket: https://tracker.freecadweb.org/view.php?id=4473

src/Mod/TechDraw/Gui/CommandAnnotate.cpp

@@ -548,7 +548,7 @@ void CmdTechDrawAnnotation::activated(int iMsg)
     std::string PageName = page->getNameInDocument();
 
     std::string FeatName = getUniqueObjectName("Annotation");
-    openCommand("Create Annotation");
+    openCommand(QT_TRANSLATE_NOOP("Command", "Create Annotation"));
     doCommand(Doc,"App.activeDocument().addObject('TechDraw::DrawViewAnnotation','%s')",FeatName.c_str());
     doCommand(Doc,"App.activeDocument().%s.addView(App.activeDocument().%s)",PageName.c_str(),FeatName.c_str());
     updateActive();