allow returning multiple PsiMethod wrappers for a JetFunction or JetPropertyAccessor; use that for handling Java usages through old-style and new-style facades

#KT-9102 Fixed

idea/testData/refactoring/rename/renameKotlinPackageFunctionFromJavaNewFacade/before/RenameKotlinPackageFunctionFromJava.kt

@@ -0,0 +1,11 @@
+@file:JvmName("Bartender")
+
+package testing.rename
+
+public fun foo() = 1
+
+fun usage() {
+    foo()
+}
+
+val some = foo()

idea/testData/refactoring/rename/renameKotlinPackageFunctionFromJavaNewFacade/before/testing/JavaClient.java

@@ -0,0 +1,9 @@
+package testing;
+
+import testing.rename.Bartender;
+
+class JavaClient {
+    public void testing() {
+        Bartender.foo();
+    }
+}