Fix ReactDOMFiberSelect to set the initial values (#8349)

I forgot that the normal properties route doesn't do this. We also have
to make sure that the order is 1) insert children (options), 2) set
multiple 3) update the options.

scripts/fiber/tests-failing.txt

@@ -88,23 +88,6 @@ src/renderers/dom/shared/eventPlugins/__tests__/SimpleEventPlugin-test.js
 src/renderers/dom/shared/wrappers/__tests__/ReactDOMInput-test.js
 * should control a value in reentrant events
 
-src/renderers/dom/shared/wrappers/__tests__/ReactDOMOption-test.js
-* should allow ignoring `value` on option
-
-src/renderers/dom/shared/wrappers/__tests__/ReactDOMSelect-test.js
-* should allow setting `defaultValue`
-* should not control when using `defaultValue`
-* should allow setting `defaultValue` with multiple
-* should allow setting `value`
-* should allow setting `value` with multiple
-* should not select other options automatically
-* should allow setting `value` with `objectToString`
-* should allow switching to multiple
-* should allow switching from multiple
-* should remember value when switching to uncontrolled
-* should not control defaultValue if readding options
-* should select grandchild options nested inside an optgroup
-
 src/renderers/dom/stack/client/__tests__/ReactDOM-test.js
 * throws in render() if the mount callback is not a function
 * throws in render() if the update callback is not a function

scripts/fiber/tests-passing.txt

@@ -831,18 +831,31 @@ src/renderers/dom/shared/wrappers/__tests__/ReactDOMOption-test.js
 * should ignore null/undefined/false children without warning
 * should be able to use dangerouslySetInnerHTML on option
 * should set attribute for empty value
+* should allow ignoring `value` on option
 
 src/renderers/dom/shared/wrappers/__tests__/ReactDOMSelect-test.js
+* should allow setting `defaultValue`
 * should not throw with `defaultValue` and without children
+* should not control when using `defaultValue`
+* should allow setting `defaultValue` with multiple
+* should allow setting `value`
 * should not throw with `value` and without children
+* should allow setting `value` with multiple
+* should not select other options automatically
 * should reset child options selected when they are changed and `value` is set
+* should allow setting `value` with `objectToString`
+* should allow switching to multiple
+* should allow switching from multiple
+* should remember value when switching to uncontrolled
 * should remember updated value when switching to uncontrolled
 * should support server-side rendering
 * should support server-side rendering with defaultValue
 * should support server-side rendering with multiple
+* should not control defaultValue if readding options
 * should refresh state on change
 * should warn if value and defaultValue props are specified
 * should be able to safely remove select onChange
+* should select grandchild options nested inside an optgroup
 
 src/renderers/dom/shared/wrappers/__tests__/ReactDOMTextarea-test.js
 * should allow setting `defaultValue`

src/renderers/dom/fiber/wrappers/ReactDOMFiberSelect.js

@@ -153,6 +153,13 @@ var ReactDOMSelect = {
       );
       didWarnValueDefaultValue = true;
     }
+
+    node.multiple = Boolean(props.multiple);
+    if (value != null) {
+      updateOptions(node, Boolean(props.multiple), value);
+    } else if (props.defaultValue != null) {
+      updateOptions(node, Boolean(props.multiple), props.defaultValue);
+    }
   },
 
   postUpdateWrapper: function(element : Element, props : Object) {