FIR resolution API: fix handling of expressions inside local functions

idea/testData/fir/lazyResolve/inLocal/inLocal.test

@@ -0,0 +1,3 @@
+{
+  "mainFile": "main.kt"
+}

idea/testData/fir/lazyResolve/inLocal/main.kt

@@ -0,0 +1,14 @@
+package main
+
+fun main() {
+    fun foo(): Int {
+        return <caret>bar()
+    }
+
+    foo()
+}
+
+fun bar(): Int {
+    val x = 4
+    return 9 * x
+}

idea/testData/fir/lazyResolve/inLocal/main.txt

@@ -0,0 +1,12 @@
+FILE: main.kt
+    public final fun main(): R|kotlin/Unit| {
+        local final fun foo(): R|kotlin/Int| {
+            ^foo R|main/bar|()
+        }
+
+        R|<local>/foo|()
+    }
+    public final fun bar(): R|kotlin/Int| {
+        lval x: <implicit> = Int(4)
+        ^bar Int(9).times#(x#)
+    }

idea/testData/fir/lazyResolve/inLocal/results.txt

@@ -0,0 +1 @@
+R|main/bar|()