Allow force sync shared folders

app/src/main/java/eu/faircode/email/Core.java

@@ -1920,6 +1920,8 @@ class Core {
 
         if (force)
             sync_folders = true;
+        if (!sync_folders)
+            sync_shared_folders = false;
 
         // Get folder names
         boolean drafts = false;

app/src/main/java/eu/faircode/email/FragmentOptionsSynchronize.java

@@ -326,7 +326,6 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                 prefs.edit().putBoolean("sync_folders", checked).apply();
-                swSyncSharedFolders.setEnabled(checked);
             }
         });
 
@@ -478,7 +477,6 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
         swGmailThread.setChecked(prefs.getBoolean("gmail_thread_id", false));
         swSyncFolders.setChecked(prefs.getBoolean("sync_folders", true));
         swSyncSharedFolders.setChecked(prefs.getBoolean("sync_shared_folders", false));
-        swSyncSharedFolders.setEnabled(swSyncFolders.isChecked());
         swSubscriptions.setChecked(prefs.getBoolean("subscriptions", false));
         swTuneKeepAlive.setChecked(prefs.getBoolean("tune_keep_alive", true));
         swCheckAuthentication.setChecked(prefs.getBoolean("check_authentication", true));