Simplify login logic

Let LOGIN action handle displaying the modal if required.

src/App.vue

@@ -194,7 +194,7 @@ export default defineComponent({
 					element: 'maps',
 					state: false,
 				});
-				store.commit(MutationTypes.SHOW_UI_MODAL, 'login');
+				store.dispatch(ActionTypes.LOGIN, null);
 				notify('Login required');
 				showSplashError('Login required', true, 1);
 			} else {

src/components/ChatBox.vue

@@ -99,7 +99,7 @@
 					}
 				},
 
-				login = () => store.commit(MutationTypes.SHOW_UI_MODAL, 'login');
+				login = () => store.dispatch(ActionTypes.LOGIN, null);
 
 			watch(chatBoxVisible, newValue => {
 				if(newValue && sendingEnabled.value) {

src/leaflet/control/LoginControl.ts

@@ -104,7 +104,7 @@ export class LoginControl extends Control {
 				notify(logoutError.value);
 			}
 		} else {
-			this.store.commit(MutationTypes.SHOW_UI_MODAL, 'login');
+			await this.store.dispatch(ActionTypes.LOGIN, null)
 		}
 	}
 }

src/store/actions.ts

@@ -202,7 +202,11 @@ export const actions: ActionTree<State, State> & Actions = {
 	},
 
 	async [ActionTypes.LOGIN]({state, commit}, data: any): Promise<void> {
-		await state.currentMapProvider!.login(data);
+		if(data) {
+			await state.currentMapProvider!.login(data);
+		} else {
+			commit(MutationTypes.SHOW_UI_MODAL, 'login');
+		}
 	},
 
 	async [ActionTypes.LOGOUT]({state}): Promise<void> {