E1_The iOS simulator virtual keyboard flashes after clicking the second input box

### Description

The iOS simulator virtual keyboard flashes after clicking the second input box

**Affected case:**
E1 - IsPassword works correctly

### Steps to Reproduce

1. Deploy https://devdiv.visualstudio.com/Pkgs/_git/VS.TestAssets.Xaml?path=/Assets/Projects/ManualMauiTests on windows remote iOS simulator.
2. Click E -> E1 IsPassword workks correctly
3. Click the input box in the second step to open the virtual keyboard on the iOS simulator
4. Observe the keyboard display

**Actual Behavior:**
E1_The iOS simulator virtual keyboard flashes after clicking the second input box

**Expected Behavior:**
After clicking the second input box, the iOS simulator virtual keyboard displays normally

### Link to public reproduction project repository

https://devdiv.visualstudio.com/Pkgs/_git/VS.TestAssets.Xaml?path=/Assets/Projects/ManualMauiTests

### Version with bug

Microsoft.Maui.Controls 9.0.82

### Is this a regression from previous behavior?

Not a regression, The issue also repro on 9.0.81 and 9.0.0

### Affected platforms

iOS

Start with the linked ManualMauiTests reproduction, navigate to E1 - IsPassword works correctly, and reproduce the second-input interaction on the Windows remote iOS simulator. Compare the keyboard behavior with the expected normal display using Microsoft.Maui.Controls 9.0.82; done means the keyboard no longer flashes after the second input box is clicked.

Written by the indexing model from the issue text.