Removing "Preview" tag from Transform XSLT action

### Severity

P4 - Low (Cosmetic/minor inconvenience)

### Which Data Mapper Version are you using?

Both versions affected

### Describe the Bug with repro steps

Current Data Mapper transform XSLT action in designer has a preview tag. We can remove it for avoiding confusion

### Screenshots or Videos

_No response_

### Environment

VS Code

### Are you experiencing a regression?

_No response_

### Map Definition (if applicable)

```yaml

```

### Additional context

_No response_