Don't suggest destructuring if at least half components not used

So #KT-16828 Fixed

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

@@ -24,10 +24,10 @@
         <description>Use destructuring declaration</description>
     </problem>
     <problem>
-        <file>last.kt</file>
+        <file>twoOfThree.kt</file>
         <line>6</line>
         <module>light_idea_test_case</module>
-        <entry_point TYPE="file" FQNAME="temp:///src/last.kt" />
+        <entry_point TYPE="file" FQNAME="temp:///src/twoOfThree.kt" />
         <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Use destructuring declaration</problem_class>
         <description>Use destructuring declaration</description>
     </problem>
@@ -64,10 +64,10 @@
         <description>Use destructuring declaration</description>
     </problem>
     <problem>
-        <file>mapIndexedLast.kt</file>
+        <file>mapIndexedExceptFirst.kt</file>
         <line>5</line>
         <module>light_idea_test_case</module>
-        <entry_point TYPE="file" FQNAME="temp:///src/mapIndexedLast.kt" />
+        <entry_point TYPE="file" FQNAME="temp:///src/mapIndexedExceptFirst.kt" />
         <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Use destructuring declaration</problem_class>
         <description>Use destructuring declaration</description>
     </problem>

idea/testData/intentions/destructuringInLambda/mapIndexedExceptFirst.kt

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

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

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

idea/testData/intentions/destructuringInLambda/twoOfThree.kt

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+
+data class My(val first: String, val second: Int, val third: Boolean)
+
+fun foo(list: List<My>) {
+    list.forEach { my<caret> ->
+        println(my.second)
+        println(my.third)
+    }
+}

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

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+
+data class My(val first: String, val second: Int, val third: Boolean)
+
+fun foo(list: List<My>) {
+    list.forEach { (_, second, third) ->
+        println(second)
+        println(third)
+    }
+}