Destructure intention: use also for variable declarations #KT-7488 Fixed

idea/testData/intentions/destructuringVariables/changingVar.kt

@@ -0,0 +1,11 @@
+// IS_APPLICABLE: false
+
+data class XY(val x: Int, val y: Int)
+
+fun create() = XY(1, 2)
+
+fun use(): Int {
+    var <caret>xy = create()
+    xy = create()
+    return xy.x + xy.y
+}