try custom AppRun

app/packaging/linux/AppRun

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Custom AppRun that ensures the AppImage doesn't dismount before olive-crashhandler exits
+
+# Run main program
+usr/bin/olive-editor
+
+# Wait arbitrary amount of time
+sleep 5
+
+# While olive-crashhandler exists, keep sleeping
+while [[ $(ps -aux | grep olive-crashhandler | grep -v grep) ]]
+do
+	sleep 5
+done