KT-16828: use _ when appropriate in destructure intention

idea/testData/intentions/destructuringInLambda/inspectionData/expected.xml

@@ -63,4 +63,12 @@
         <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Use destructuring declaration</problem_class>
         <description>Use destructuring declaration</description>
     </problem>
+    <problem>
+        <file>mapIndexedLast.kt</file>
+        <line>5</line>
+        <module>light_idea_test_case</module>
+        <entry_point TYPE="file" FQNAME="temp:///src/mapIndexedLast.kt" />
+        <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Use destructuring declaration</problem_class>
+        <description>Use destructuring declaration</description>
+    </problem>
 </problems>

idea/testData/intentions/destructuringInLambda/last.kt.after

@@ -3,7 +3,7 @@
 data class My(val first: String, val second: Int)
 
 fun foo(list: List<My>) {
-    list.forEach { (first, second) ->
+    list.forEach { (_, second) ->
         println(second)
     }
 }

idea/testData/intentions/destructuringInLambda/mapIndexedLast.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+data class Package(val name: String, val version: String, val source: String, val id: String)
+
+val pkgs = listOf<Package>().mapIndexed { i, <caret>p -> p.id to i }.toMap()

idea/testData/intentions/destructuringInLambda/mapIndexedLast.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+data class Package(val name: String, val version: String, val source: String, val id: String)
+
+val pkgs = listOf<Package>().mapIndexed { i, (_, _, _, id) -> id to i }.toMap()