[NC28, News 25.X] Updating fields in admin settings not possible

[Grotax]

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Explain the Problem

What problem did you encounter?

Steps to Reproduce

Explain what you did to encounter the issue

1. Open Admin Settings for news
2. Change any value
3. Check browser console and no update notification on screen

System Information

• News app version: 25.0.0-alpha3
• Nextcloud version: 28.0.1
• Cron type: (system cron/python updater/...)
• PHP version: --
• Database and version:--
• Browser and version: Firefox 121.0
• OS and version: Manjaro Linux XFCE

Contents of nextcloud/data/nextcloud.log

Paste output here

Contents of Browser Error Console

Read http://ggnome.com/wiki/Using_The_Browser_Error_Console if you are unsure what to put here

TypeError: this.$refs.field is undefined
    mounted index.mjs:35
    VueJS 9
    Wt</<.on["update:value"]< AdminSettings.vue:13
    VueJS 4
    handleInput NcTextField.js:2
    VueJS 51
    <anonymous> main-admin.js:20
    <anonymous> main-admin.js:20
    <anonymous> main-admin.js:20
vue.runtime.esm.js:3049:16

[Grotax]

From my first checks we might need to drop support for NC27 and upgrade the frontend libs according to Nextcloud 28.