Click many times on enable HTTP proxy in Tusky app crashes.

Expected behavior

It is expected that app should enable HTTP proxy.

Actual behavior

When I try to click on enable HTTP proxy many time app crashes and I can't open the app again when I what to open again app crashes untill I uninstall app ist.

How to reproduce

• Download the app
• install the app
• open the app
• connect with mastodon server
• create an account
• verify mail in your G-mail
• click on home icon then click on preferences
• then click on HTTP proxy, then enable your proxy when I try to click many time on enable proxy enable/disable many times app crashes completely then I can't open the app again.

• App: Tusky v 1.7.0
• Operating system: mi A1v 8.0 oreo

Recording Of The Bug