DeclarationJoinLinesHandler: preserve declaration type element for implicit type

Fixes EA-138246 - IOE: PsiElementFactoryImpl.createVariableDeclarationStatement

java/java-tests/testData/codeInsight/joinLines/LocalVarAnnotated_after.java

@@ -0,0 +1,7 @@
+class A{
+  {
+      @Foo int i = 0;
+  }
+  
+  @interface Foo {}
+}