Render flexible types with enhancement as enhanced in IDE (KT-25622)

Main targets for the fix is completion, parameters info, inlay hints and
override/implement.

Other IDE functions might be affected.

 #KT-24911 Fixed
 #KT-25616 Fixed
 #KT-25622 Fixed

idea/testData/codeInsight/overrideImplement/androidxNotNull/foo/A.java

@@ -0,0 +1,10 @@
+package foo;
+
+import androidx.annotation.RecentlyNonNull;
+import androidx.annotation.RecentlyNullable;
+
+public class A {
+    public @RecentlyNonNull String foo(@RecentlyNonNull String s1, @RecentlyNullable String s2) {
+        return null;
+    }
+}