Minor tweaks to download custom dialog

- Allow large decrements (just goes to 0)
- Use Material3 text field for proper theming
- Move dialog composable to presentation package

build.gradle.kts

@@ -26,7 +26,6 @@ subprojects {
     kotlinter {
         experimentalRules = true
 
-
         disabledRules = arrayOf(
             "experimental:argument-list-wrapping", // Doesn't play well with Android Studio
             "filename", // Often broken to give a more general name