[Bug]: strikethrough and Underline not working after selecting font color

### What happened?

ngx editor angular strikethrough and underline  not working after selecting font color it works if the font color option is off

### Version

18.0.0

### Angular Version

19.2.8

### What browsers are you seeing the problem on?

_No response_

### Link to reproduce

_No response_

### Relevant log output

```shell

```

### Willing to submit a PR?

None