Uncaught (in promise) TypeError: can't access property "autoClear_day", data.setting is undefined

Noticing this error in the Firefox v148.0 browser console logs caused by TextareaCache v5.0.7:

```
Uncaught (in promise) TypeError: can't access property "autoClear_day", data.setting is undefined
    checkAutoClear moz-extension://.../ta_bg.js:197
```

The specific source line is ta_bg.js:197:20