"Use destructuring declaration" should not be available for top-level and class properties (#1205)

Fixes #KT-19167

idea/testData/intentions/destructuringVariables/classProperty.kt

@@ -0,0 +1,9 @@
+// IS_APPLICABLE: false
+
+data class XY(val x: Int, val y: Int)
+
+fun create() = XY(1, 2)
+
+class Foo {
+    val xy = <caret>create()
+}

idea/testData/intentions/destructuringVariables/toplevel.kt

@@ -0,0 +1,7 @@
+// IS_APPLICABLE: false
+
+data class XY(val x: Int, val y: Int)
+
+fun create() = XY(1, 2)
+
+val xy = <caret>create()