[JS IR] Make PrivateMembersLowering global to handle inlined private references correctly

- Fixes [KT-33334]

js/js.translator/testData/box/inlineMultiFile/privateVarFromInline.kt

@@ -0,0 +1,40 @@
+// FILE: f.kt
+package foo
+
+/**
+ * KT-33334
+ */
+
+internal fun foo(c: C) = c.getter()
+
+internal fun bar(c: C) { c.setter("OK") }
+
+// FILE: c.kt
+package foo
+
+var log = ""
+
+internal class C {
+    private var tokenPosition: String = "FAIL"
+        get() { logg("G"); return field  }
+        set(value) { logg("S"); field = value }
+
+    private fun logg(s: String) { log += s }
+
+    internal inline fun setter(s: String) { tokenPosition = s }
+    internal inline fun getter(): String = tokenPosition
+}
+
+// FILE: m.kt
+package foo
+
+fun box(): String {
+
+    val c = C()
+
+    bar(c)
+    val r = foo(c)
+    if (log != "SG") return "FAIL1: $log"
+
+    return r
+}