Improved lifecycle handling & code clean up (#1653)

## Description
Add some improvements related to life cycle handling whenever the app is
resumed:
- Refreshing the server-side user config 
- Refreshing the home page automatically

Also 401/403 errors accessing recording folders will be skipped since
this typically means the user lost access while the app was running.
Refreshing the server-side user config (above) will also help with this.

Finally, there's some general code clean up in `MainActivity` to move
non-UI related code out of Compose.

### Related issues
Closes #1647

### Testing
Emulator

## Screenshots
N/A

## AI or LLM usage
None

app/src/main/java/com/github/damontecres/wholphin/services/NavDrawerService.kt

@@ -26,6 +26,7 @@ import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.withContext
 import org.jellyfin.sdk.api.client.ApiClient
+import org.jellyfin.sdk.api.client.exception.InvalidStatusException
 import org.jellyfin.sdk.api.client.extensions.liveTvApi
 import org.jellyfin.sdk.api.client.extensions.userViewsApi
 import org.jellyfin.sdk.model.api.CollectionType
@@ -132,13 +133,22 @@ class NavDrawerService
                     .content.items
             val recordingFolders =
                 if (tvAccess) {
-                    api.liveTvApi
-                        .getRecordingFolders(userId = userId)
-                        .content.items
-                        .map { it.id }
-                        .toSet()
+                    try {
+                        api.liveTvApi
+                            .getRecordingFolders(userId = userId)
+                            .content.items
+                            .map { it.id }
+                            .toSet()
+                    } catch (ex: InvalidStatusException) {
+                        if (ex.status == 401 || ex.status == 403) {
+                            Timber.w("Got HTTP %s querying for recording folders", ex.status)
+                            emptySet()
+                        } else {
+                            throw ex
+                        }
+                    }
                 } else {
-                    setOf()
+                    emptySet()
                 }
             val libraries =
                 userViews