[RAW FIR] Put destructuring statements outside of main lambda block

This fixes a false positive REDECLARATION when you want to shadow
a destructured lambda parameter inside the lambda.

#KT-60771 Fixed

compiler/testData/diagnostics/tests/shadowing/ShadowVariableInFor.kt

@@ -1,6 +1,13 @@
+// WITH_STDLIB
+
 fun ff(): Int {
     var i = 1
     for (<!NAME_SHADOWING!>i<!> in 0..10) {
     }
+
+    for ((<!NAME_SHADOWING!>i<!>, j) in listOf(Pair(1,2))) {
+        val <!NAME_SHADOWING!>i<!> = i
+    }
+
     return i
 }