persist config state when changed

Author: myk002

changelog.txt

@@ -31,6 +31,7 @@ Template for new versions:
 ## New Features
 
 ## Fixes
+- `gui/notify`: persist notification settings when toggled in the UI
 
 ## Misc Improvements
 

gui/notify.lua

@@ -174,6 +174,7 @@ end
 function Notify:toggle(_, choice)
     if not choice then return end
     notifications.config.data[choice.name].enabled = not choice.enabled
+    notifications.config:write()
     self:refresh()
 end
 
@@ -184,6 +185,7 @@ function Notify:toggle_all()
     for name in pairs(notifications.NOTIFICATIONS_BY_NAME) do
         notifications.config.data[name].enabled = target_state
     end
+    notifications.config:write()
     self:refresh()
 end