Find Usages and Go to declaration of element used via import alias

#KT-18619 Fixed

idea/testData/findUsages/java/findJavaClassUsages/JKAliasedClassAllUsages.0.java

@@ -0,0 +1,18 @@
+// PSI_ELEMENT: com.intellij.psi.PsiClass
+// OPTIONS: usages
+public class <caret>AAA {
+    public String bar = "bar";
+    public static String BAR = "BAR";
+
+    public AAA() {
+
+    }
+
+    public void foo() {
+
+    }
+
+    public static void foos() {
+
+    }
+}