Use Compose on Global/Migrate Search screen (#8631)

* Use Compose on Global/Migrate Search screen

- Refactor to use Voyager and Compose
- Use sealed class for state
- Somethings are broken/missing due to screens using different navigation libraries

* Review changes

app/src/main/java/eu/kanade/presentation/util/Constants.kt

@@ -18,6 +18,8 @@ class Padding {
     val medium = 16.dp
 
     val small = 8.dp
+
+    val tiny = 4.dp
 }
 
 val MaterialTheme.padding: Padding