Add test for stub type receiver and for KT-53639

compiler/testData/diagnostics/tests/inference/builderInference/errorOnStubReceiver.fir.kt

@@ -0,0 +1,21 @@
+// WITH_STDLIB
+// FIR_DUMP
+// SKIP_TXT
+
+fun Any?.test() {}
+
+class Bar {
+    fun test() {}
+}
+
+fun main() {
+
+    buildList {
+        add(Bar())
+        this.get(0).test() // resolved to Any?.test
+    }
+    buildList<Bar> {
+        add(Bar())
+        this.get(0).test() // resolved to Bar.test
+    }
+}