KT-4574 New Intention: Split If - converts if statement containing one or more conjunction operators into two nested if statements

idea/testData/intentions/splitIf/splitIfWithFunction.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    fun test(): Boolean { return false }
+    val a = true
+    if (test() <caret>&& a) {
+        println("test")
+    }
+}