BUG: PreviewImagePath doesn't always display

### Checks

- [X] I have checked that this issue has not already been reported.

- [X] I am using the latest version of Flow Launcher.

### Problem Description

In JSON-RPC v2 plugins, result preview doesn't always display. Not sure about C#/F# plugins.

### To Reproduce

1. Have previews disabled by default
2. Search with a plugin that provides previews
3. Enable previews (F1), the preview image doesn't display
5. Search again, now with the preview already enabled. The preview image is displayed correctly

### Screenshots

_No response_

### Flow Launcher Version

1.19.4

### Windows Build Number

10.0.26120.961

### Error Log

_No response_