v0.9.1

What's Changed

• Fix the FB↔FFT QScreen crash and every wizard/domain-switch hang by @BenHuddart in #232
• Fit panel: stop replaying a time-domain model into the FFT Single tab after a Batch-tab domain switch by @BenHuddart in #233
• Fix the GIL↔signal-slot ABBA deadlock that wedged GUI test shards by @BenHuddart in #234

Full Changelog: v0.9.0...v0.9.1