fix: apostrophe issue

Signed-off-by: SebastianKrupinski <[email protected]>

[skip ci]

Author: SebastianKrupinski

src/components/NoMessageSelected.vue

@@ -45,8 +45,8 @@ export default {
 	},
 
 	computed: {
-		welcomeMessage() {
-			return t('mail', 'Welcome to {cloudName} Mail', { cloudName: window?.OC?.theme?.name ?? 'Nextcloud' })
+		productName() {
+			return window?.OC?.theme?.name ?? 'Nextcloud'
 		},
 	},
 }