Moved method getSmartCastVariantsWithLessSpecificExcluded() into IDE

idea/idea-completion/testData/basic/multifile/KT12124/KT12124.dependency.java

@@ -0,0 +1,11 @@
+class X {
+    void f(){}
+}
+
+class JavaClass {
+    public void setFoo(X value) {
+    }
+    public X getFoo() {
+        return new X();
+    }
+}

idea/idea-completion/testData/basic/multifile/KT12124/KT12124.java

@@ -1,7 +0,0 @@
-class JavaClass {
-    public void setFoo(String value) {
-    }
-    public String getFoo() {
-        return "";
-    }
-}

idea/idea-completion/testData/basic/multifile/KT12124/KT12124.kt

@@ -1,7 +1,8 @@
+inline fun <T> T.apply(block: T.() -> Unit): T { block(); return this }
+
 val v = JavaClass().apply {
-    foo = ""
+    foo = X()
     foo.<caret>
 }
 
-// EXIST: length
-// EXIST: substring
+// EXIST: f