Partial body resolve works for local Nothing functions + does not go inside local functions and classes

idea/testData/resolve/partialBodyResolve/LocalFun.kt

@@ -0,0 +1,9 @@
+fun foo(p: String?) {
+    fun local(): String? {
+        if (p == null) return null
+        print(p.size)
+        return ""
+    }
+
+    <caret>p?.size
+}