Convert 'simplify when' from intention to inspection

Related to KT-20492

idea/testData/inspectionsLocal/simplifyWhenWithBooleanConstantCondition/trueIsNotTop1.kt

@@ -0,0 +1,8 @@
+fun test(i: Int) {
+    val x = <caret>when {
+        i == 1 -> 1
+        false -> 2
+        true -> 3
+        else -> 4
+    }
+}