Implement escape/cancel key press callback for TextInput (#48680)

Summary:
Pull Request resolved: #48680

## Changelog:

[General] [Added] - Adds the escape key to the key press event handler payload.

Reviewed By: shwanton

Differential Revision: D68186072

fbshipit-source-id: 01786c309bff4991c12fa667e933ff6105efe638

packages/react-native/ReactCommon/react/renderer/components/textinput/TextInputEventEmitter.cpp

@@ -119,6 +119,8 @@ static jsi::Value keyPressMetricsPayload(
       key = "Enter";
     } else if (keyPressMetrics.text.front() == '\t') {
       key = "Tab";
+    } else if (keyPressMetrics.text.front() == '\x1B') {
+      key = "Escape";
     } else {
       key = keyPressMetrics.text;
     }