cls: ensure canonical text don't miss whitespaces around wildcards (IDEA-146452)

java/java-tests/testData/codeInsight/clsHighlighting/IDEA146452.java

@@ -0,0 +1,11 @@
+package com.badinterface;
+
+import java.util.List;
+import java.util.concurrent.Future;
+
+class Test {
+  private void foo(BadInterface2 b, BadInterface3 b3) {
+    final Future<? extends Number> process = b.process();
+    final Future<? extends List<? extends Number>> process3 = b3.process();
+  }
+}