[FIR] Correctly process invalid destructing declarations

^KTIJ-24730 fixed

Merge-request: KT-MR-10712
Merged-by: Egor Kulikov <Egor.Kulikov@jetbrains.com>

analysis/analysis-api/testData/referenceResolve/withErrors/TopLevelDestructingDeclaration.kt

@@ -0,0 +1,9 @@
+// UNRESOLVED_REFERENCE
+
+fun <T : Any, Z> createTuple(a: T, b: Z&Any): Pair<T, Z&Any> {
+    return Pair(a, b)
+}
+
+fun main()
+var (<caret>val1, val2) = createTuple<String, Int?>("a", 1)
+}