Redundant if inspection supports now assignments and just if (...) true else false #KT-13259 Fixed

idea/testData/quickfix/redundantIf/assignment.kt

@@ -0,0 +1,10 @@
+// "Remove redundant 'if' statement" "true"
+fun bar(p: Int) {
+    var v2 = false
+    <caret>if (p > 0) {
+        v2 = false
+    }
+    else {
+        v2 = true
+    }
+}