Fix vanilla roles tab being broken

MiraAPI/Patches/Options/LobbyViewPanePatches.cs

@@ -109,7 +109,7 @@ public static class LobbyViewPanePatches
     private static void Refresh(LobbyViewSettingsPane menu)
     {
         ModifiersTabButton?.gameObject.SetActive(SelectedModIdx != 0);
-        menu.gameModeText.text = SelectedMod?.PluginInfo.Metadata.Name ?? "Default";
+        menu.gameModeText.text = SelectedMod?.PluginInfo.Metadata.Name ?? "Main";
         menu.RefreshTab();
         menu.scrollBar.ScrollToTop();
     }

MiraAPI/Patches/Options/RoleSettingMenuPatches.cs

@@ -152,7 +152,7 @@ public static class RoleSettingMenuPatches
             }
 
             Info($"Created {num3} role options for the default game.");
-            yield return null;
+            yield break;
         }
 
         ScrollerNum = 0.522f;