Fix handling 'auto' checks in absolute layout (#1689)

Summary:
X-link: https://github.com/facebook/react-native/pull/46216

Regarding [issue](https://github.com/facebook/react-native/issues/45817) with incorrect layout when `left` is set to `auto`. This PR introduces handling `auto` whenever inline or flex position is checked to be defined and it fixes above issue.

Changelog:
[General][Fixed] - Fix handling 'auto' checks in absolute layout

## Tests:
 I have run the provided unit tests and everything passes.

Pull Request resolved: https://github.com/facebook/yoga/pull/1689

Reviewed By: cipolleschi

Differential Revision: D61737876

Pulled By: NickGerleman

fbshipit-source-id: 531199a91c5e122b930b49725ea567cbb1d592ce

gentest/gentest-cpp.js

@@ -451,6 +451,12 @@ CPPEmitter.prototype = Object.create(Emitter.prototype, {
 
   YGNodeStyleSetPosition: {
     value: function (nodeName, edge, value) {
+      let valueStr = toValueCpp(value);
+      if (valueStr != 'YGAuto') {
+        valueStr = ', ' + valueStr;
+      } else {
+        valueStr = '';
+      }
       this.push(
         'YGNodeStyleSetPosition' +
           toFunctionName(value) +
@@ -458,8 +464,7 @@ CPPEmitter.prototype = Object.create(Emitter.prototype, {
           nodeName +
           ', ' +
           edge +
-          ', ' +
-          toValueCpp(value) +
+          valueStr +
           ');',
       );
     },