[FIR] Report package usages as a LHS

#KT-59972

compiler/testData/diagnostics/tests/callableReference/packageInLhs.fir.kt

@@ -4,7 +4,8 @@
 package foo
 
 fun test() {
-    foo::test
+    <!EXPRESSION_EXPECTED_PACKAGE_FOUND!>foo<!>::test
+    <!EXPRESSION_EXPECTED_PACKAGE_FOUND!>foo<!>::class
 }
 
 // FILE: qualifiedName.kt
@@ -12,5 +13,6 @@ fun test() {
 package foo.bar
 
 fun test() {
-    foo.bar::test
+    foo.<!EXPRESSION_EXPECTED_PACKAGE_FOUND!>bar<!>::test
+    foo.<!EXPRESSION_EXPECTED_PACKAGE_FOUND!>bar<!>::class
 }