Fix missing space when using iOS's autocomplete

Summary:
Changelog: [internal]

Using keyboard's autocomplete did not insert space at the end of the word.

Reviewed By: fkgozali

Differential Revision: D29085654

fbshipit-source-id: 35fee726ea7d2030fdfa64300e045a303ea98ce9

React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm

@@ -366,7 +366,7 @@ using namespace facebook::react;
     return;
   }
 
-  if (_ignoreNextTextInputCall) {
+  if (_ignoreNextTextInputCall && [_lastStringStateWasUpdatedWith isEqual:_backedTextInputView.attributedText]) {
     _ignoreNextTextInputCall = NO;
     return;
   }