[FIR] Handle open in interface correctly during status resolve

compiler/fir/analysis-tests/testData/resolve/openInInterface.kt

@@ -0,0 +1,15 @@
+interface Some {
+    open fun foo()
+    open fun bar() {}
+
+    open val x: Int
+    open val y = 1
+    open val z get() = 1
+
+    open var xx: Int
+    open var yy = 1
+    open var zz: Int
+        set(value) {
+            field = value
+        }
+}