Bug 63062 [templates] "Restore Removed" button on template pref page not updated as expected
Remove a template from the Ant editor templates or the Java editor templates. Click the Restore Removed After clicking, I would expect the button to return to the disabled state.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/EditTemplateDialog.java
layout.marginWidth= 0;
			layout.marginHeight= 0;
			composite.setLayout(layout);
			fNameText= createText(composite);
			
			fNameText.addModifyListener(listener);
			createLabel(composite, PreferencesMessages.getString("EditTemplateDialog.context")); 		
			fContextCombo= new Combo(composite, SWT.READ_ONLY);
	
			for (int i= 0; i < fContextTypes.length; i++) {
				fContextCombo.add(fContextTypes[i][1]);
			}
	
			fContextCombo.addModifyListener(listener);
		}
		
		createLabel(parent, PreferencesMessages.getString("EditTemplateDialog.description")); 		
		
		int descFlags= fIsNameModifiable ? SWT.BORDER : SWT.BORDER | SWT.READ_ONLY;
		fDescriptionText= new Text(parent, descFlags );
		fDescriptionText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));	
		
		fDescriptionText.addModifyListener(listener);
		Label patternLabel= createLabel(parent, PreferencesMessages.getString("EditTemplateDialog.pattern")); 
		patternLabel.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
		fPatternEditor= createEditor(parent);
		
		Label filler= new Label(parent, SWT.NONE);		
		filler.setLayoutData(new GridData());