🐛 fix tow bugs in login page (#55)

* fix(projects): 🐛 hidden multi-language button in login page.

* fix(projects): 🐛 fix multiple calls to the login API when clicking quickly

src/views/_builtin/login/index.vue

@@ -68,6 +68,7 @@ const bgColor = computed(() => {
               @switch="themeStore.toggleThemeScheme"
             />
             <LangSwitch
+              v-if="themeStore.header.multilingual.visible"
               :lang="appStore.locale"
               :lang-options="appStore.localeOptions"
               :show-tooltip="false"

src/views/_builtin/login/modules/pwd-login.vue

@@ -110,6 +110,7 @@ async function handleAccountLogin(account: Account) {
           :key="item.key"
           size="default"
           type="primary"
+          :disabled="authStore.loginLoading"
           @click="handleAccountLogin(item)"
         >
           {{ item.label }}