[JS IR BE] take into account receiver's type when generate name for callables (including properties)

Also, add special markers for receiver type and generic types to avoid accidental clashes.

js/js.translator/testData/box/extensionProperty/withSameNameAndDiffReceiverType.kt

@@ -0,0 +1,13 @@
+// EXPECTED_REACHABLE_NODES: 1196
+object Foo {
+    val value = "O"
+}
+class Bar(val anotherValue: String)
+
+val Foo.prop: String
+    get() = value
+
+val Bar.prop: String
+    get() = anotherValue
+
+fun box() = Foo.prop + Bar("K").prop