Use pattern matching for instanceof

Author: gzsombor

org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/launcher/DebugTypeSelectionDialog.java

@@ -81,8 +81,7 @@ public Image getImage(Object element) {
 		}
 		@Override
 		public String getText(Object element) {
-			if(element instanceof IType) {
-				IType type = (IType) element;
+			if (element instanceof IType type) {
 				StringBuilder label = new StringBuilder().append(type.getTypeQualifiedName());
 				String container = getDeclaringContainerName(type);
 				if(container != null && !"".equals(container)) { //$NON-NLS-1$