Another double init check

src/components/SetupErrorDisplay.tsx

@@ -186,6 +186,9 @@ export function SetupErrorDisplay(props: { initialError: Error }) {
                         <NiceP>
                             {i18n.t("error.on_boot.loading_failed.description")}
                         </NiceP>
+                        <Button onClick={() => window.location.reload()}>
+                            Reload
+                        </Button>
                         <NiceP>
                             {i18n.t(
                                 "error.on_boot.loading_failed.repair_options"

src/state/megaStore.tsx

@@ -149,6 +149,16 @@ export const Provider: ParentComponent = (props) => {
                     throw state.setup_error;
                 }
 
+                // If there's already a mutiny wallet in state abort!
+                if (state.mutiny_wallet) {
+                    setState({
+                        setup_error: new Error(
+                            "Existing Mutiny Wallet already running, aborting setup"
+                        )
+                    });
+                    return;
+                }
+
                 setState({
                     wallet_loading: true,
                     load_stage: "checking_double_init"