sendPerformAction static method
Implementation
static sendPerformAction(TextInputAction action) {
var callbackMethodCall = MethodCall("TextInputClient.performAction",
[_keyboardController!.client!.connectionId, action.toString()]);
ServicesBinding.instance!.defaultBinaryMessenger.handlePlatformMessage("flutter/textinput",
_codec.encodeMethodCall(callbackMethodCall), (data) {});
}