Remove some more icons and consolidate further on Add

dashboard/src/components/ApiTokens.vue

@@ -177,7 +177,7 @@ onMounted(async () => {
 
     <Section :title="$t('profile.apiTokens.title')">
       <template #header-buttons>
-        <Button @click="newDialog.open()" icon="fa fa-plus">{{ $t('profile.apiTokens.newApiToken') }}</Button>
+        <Button @click="newDialog.open()">{{ $t('main.action.add') }}</Button>
       </template>
 
       <div v-html="$t('profile.apiTokens.description', { apiDocsLink: 'https://docs.cloudron.io/api.html' })"></div>

dashboard/src/components/AppPasswords.vue

@@ -203,7 +203,7 @@ onMounted(async () => {
 
     <Section :title="$t('profile.appPasswords.title')">
       <template #header-buttons>
-        <Button @click="newDialog.open()" icon="fa fa-plus">{{ $t('profile.appPasswords.newPassword') }}</Button>
+        <Button @click="newDialog.open()">{{ $t('main.action.add') }}</Button>
       </template>
 
       <div>{{ $t('profile.appPasswords.description') }}</div>