Long WebM files don't rap well with OpenShot atm

[MesaBlack]

Describe the bug: WebM videos over 30 minutes, when uploaded, only have around the first 20 minutes before ending abruptly.

Steps to reproduce the behavior:

1. Record your ChromeOS screen for around 30-50 minutes
2. End recording to get a WEbM file
3. Upload WebM File to Openshot
4. only the first 20-30 minutes are shown, not all.

Expected behavior: All of the WebM file is meant to appear.

System Details:

• OpenShot Version 3.1.1: {{ log_context.openshot_qt_version 3.1.1}}
• Operating System / Distro: Linux on ChromeOS Linux dev environment

Screenshots: (Optional) (GitHub can't let me upload such a big video file here, but here are some screenshots) Length when uploaded to Openshot Actual length

[Colorjet3]

There are some known challenges with webm files being imported inot Openshot. The best thing to do is to convert your webm file to a .mp4 using a converter like VLC, Handbrake, or ShutterEncoder. All of those tools can perform bulk conversions as well.

[MesaBlack]

plus the recycle bin of "WebM to mp4" websites doesn't rap with such a large file so well, and some have those stupid-ass limits on the size, like an equally stupid maximum of 100 mb.

[MesaBlack]

ChromeOS only lets you record your screen with the results being always WebM.