[Bug]: Dial USSD code from USSD directory not working

[jshorland]

Description

When I try to dial a USSD code directly from the Stax ussd directory in the app, the button doesn't initiate the dialer.

https://user-images.githubusercontent.com/3224856/217580188-e28a323a-d897-472a-a742-da833dcfd13f.mp4

Steps to reproduce

1. Open Stax app
2. navigate to "Dial USSD"
3. Tap any of the USSD short codes

Expected result

Dialer opens and initiates the USSD code

Actual result

Nothing happens - it just stays on the Dial USSD screen

Link to screenshots/screen recordings

No response

Device name

Samsung Galaxy A10s

Android OS

11

App version

1.19.5

Config version

n/a

Is your phone dual SIM or single SIM?

Dual SIM

Which telco are you using for this test?

Safaricom

Stax device ID or email address

[email protected]