Fixed: The Resume button was functional while downloading ZIM files, …

…even when they were paused due to no internet connection. We have added a check before pausing or resuming the download. If there is no internet connection, we now display the same "No Internet connection" snackbar message that is shown when attempting to download a book without an internet connection.

app/src/main/java/org/kiwix/kiwixmobile/nav/destination/library/OnlineLibraryFragment.kt

@@ -148,6 +148,10 @@ class OnlineLibraryFragment : BaseFragment(), FragmentActivityExtensions {
         },
         {
           context?.let { context ->
+            if (isNotConnected) {
+              noInternetSnackbar()
+              return@let
+            }
             downloader.pauseResumeDownload(
               it.downloadId,
               it.downloadState.toReadableState(context).contains(getString(string.paused_state))