IDEA-196178 Join Lines on selected text also joins not selected text

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

@@ -0,0 +1,14 @@
+class Foo {
+    void test() {
+        int a = 2;
+        int b = 2;
+
+        <selection>if (a == b){
+            if (a > b){
+                System.out.println();
+            }
+        }</selection>
+
+        System.out.println();
+    }
+}