Fix InsertExplicitTypeArguments intention to insert imports for shortened types

#KT-5489 Fixed

idea/src/org/jetbrains/jet/plugin/intentions/InsertExplicitTypeArguments.kt

@@ -58,17 +58,13 @@ public class InsertExplicitTypeArguments : JetSelfTargetingIntention<JetCallExpr
         val psiFactory = JetPsiFactory(element)
         val typeArgs = types.map {
             assert(args[it] != null, "there is a null in the type arguments to transform")
-            val typeToCompute = DescriptorRenderer.FQ_NAMES_IN_TYPES.renderType(args[it]!!);
-            val computedTypeRef = psiFactory.createType(typeToCompute)
-            ShortenReferences.process(computedTypeRef)
-            computedTypeRef.getText()
-        }.makeString(", ", "<", ">")
+            DescriptorRenderer.FQ_NAMES_IN_TYPES.renderType(args[it]!!)
+        }.joinToString(", ", "<", ">")
 
-        val name = element.getCalleeExpression()?.getText()
-        if (name == null) return
+        val callee = element.getCalleeExpression()
+        if (callee == null) return
 
-        val valueAndFunctionArguments = element.getText()?.substring(name.size) ?: throw AssertionError("InsertExplicitTypeArguments intention shouldn't be applicable for empty call expression")
-        val expr = psiFactory.createExpression("$name$typeArgs${valueAndFunctionArguments}")
-        element.replace(expr)
+        element.addAfter(psiFactory.createTypeArguments(typeArgs), callee)
+        ShortenReferences.process(element.getTypeArgumentList()!!)
     }
 }

idea/testData/intentions/insertExplicitTypeArguments/insertImportForArg.kt

@@ -0,0 +1,7 @@
+fun foo(c: kotlin.support.AbstractIterator<kotlin.concurrent.FunctionalList<Int>>) {
+    ba<caret>r(c)
+}
+
+fun <T> bar(t: T): T = t
+
+// WITH_RUNTIME

idea/testData/intentions/insertExplicitTypeArguments/insertImportForArg.kt.after

@@ -0,0 +1,10 @@
+import kotlin.concurrent.FunctionalList
+import kotlin.support.AbstractIterator
+
+fun foo(c: kotlin.support.AbstractIterator<kotlin.concurrent.FunctionalList<Int>>) {
+    bar<AbstractIterator<FunctionalList<Int>>>(c)
+}
+
+fun <T> bar(t: T): T = t
+
+// WITH_RUNTIME

idea/tests/org/jetbrains/jet/plugin/intentions/IntentionTestGenerated.java

@@ -3304,6 +3304,11 @@ public class IntentionTestGenerated extends AbstractIntentionTest {
             doTest("idea/testData/intentions/insertExplicitTypeArguments/inapplicableTypeNotInferred.kt");
         }
         
+        @TestMetadata("insertImportForArg.kt")
+        public void testInsertImportForArg() throws Exception {
+            doTest("idea/testData/intentions/insertExplicitTypeArguments/insertImportForArg.kt");
+        }
+        
         @TestMetadata("insertManyTypes.kt")
         public void testInsertManyTypes() throws Exception {
             doTest("idea/testData/intentions/insertExplicitTypeArguments/insertManyTypes.kt");