Progressbar not moving when using the FTB App Import function

[LMH01]

Operating System

Linux

Description of bug

I expected the launcher to import the modpack to multimc but because the progressbar was not moving I thought that nothing was happening as my cpu usage was also very low. Also the title of the window was "please wait". So after waiting for a bit I aborted the import to open multimc from the terminal to see if something was happening in the background while the progressbar was not moving. When I began to use the FTB App Import function this time I saw that files where copied by looking in the console.

I think to ovoid confusion it would be helpful to make the progress bar move. If the progress bar can not be utilized because the amount of files that have to be copied is not known, maybe add a text that explains the the files are currently being copied.

Steps to reproduce

1. Add a modpack in the FTB App
2. Open multimc and navigate to Add instance
3. Select FTB App Import
4. Select the modpack you just installed in the FTB App and click Ok
5. The progressbar opens with the title "Please wait" but is not moving the entire time it takes for the modpack to be imported

Suspected cause

No response

This issue is unique

• [X] I have searched the issue tracker and did not find an issue describing my bug.