Introduce Variable: Allow introduction of variables with 'dynamic' type

#KT-8483 Fixed

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceVariable/KotlinIntroduceVariableHandler.java

@@ -36,6 +36,7 @@ import kotlin.Unit;
 import kotlin.jvm.functions.Function1;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.kotlin.analyzer.AnalysisResult;
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns;
 import org.jetbrains.kotlin.idea.analysis.AnalyzerUtilKt;
 import org.jetbrains.kotlin.idea.caches.resolve.ResolutionUtils;

idea/testData/refactoring/introduceVariable/dynamicType.kt

@@ -0,0 +1,5 @@
+fun foo(): dynamic = 1
+
+fun test(): Any? {
+    return <selection>foo()</selection>
+}

idea/testData/refactoring/introduceVariable/dynamicType.kt.after

@@ -0,0 +1,6 @@
+fun foo(): dynamic = 1
+
+fun test(): Any? {
+    val foo = foo()
+    return foo
+}

idea/tests/org/jetbrains/kotlin/idea/refactoring/introduce/JetExtractionTestGenerated.java

@@ -115,6 +115,12 @@ public class JetExtractionTestGenerated extends AbstractJetExtractionTest {
             doIntroduceVariableTest(fileName);
         }
 
+        @TestMetadata("dynamicType.kt")
+        public void testDynamicType() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("idea/testData/refactoring/introduceVariable/dynamicType.kt");
+            doIntroduceVariableTest(fileName);
+        }
+
         @TestMetadata("FewOccurrences.kt")
         public void testFewOccurrences() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("idea/testData/refactoring/introduceVariable/FewOccurrences.kt");