Flutter – Trying to click on an element that is clickable manually, but not with automated test in C#

I’m trying to automate tests for a mobile application in C# using Selenium with Appium. This application was made using Flutter and there is a section where I have to select the purchase date for an item (picture of the element with its class and attributes are shown below):
Purchase Date Element

I tried clicking on the element using this:

IWebElement calendrierBouton = Outil.Driver.FindElementsByClassName("android.view.View")[14];
calendrierBouton.Click(); 

However, the code above doesn’t click on the element. I tried using IJavaScriptExecutor and this doesn’t work either. The code for this is seen here:

((IJavaScriptExecutor)Outil.Driver).ExecuteScript("arguments[0].click();", calendrierBouton);

When I test the mobile application manually, I’m able to click on this element, and it brings up a calendar to select the purchase date: Manually Clicking on the Purchase Date Element

I’m using the BrowserStack platform to run the test. I tried using the SendKeys() method to type the date within the purchase date element, but this doesn’t work either. Any advice on how I can click on the purchase date element to open the calendar?