Canary Crashes on Launch on macOS

Clear canary dB folder in case app crashes on launch on Mac.

For App Store users,

Delete everything in ~/Library/Containers/io.canarymail.mac and then restart Canary.

• Open Finder, click on Go > Go to Folder. 

For Setapp users,

Delete everything in ~/Library/Containers/com.mailrtech.canarymail-setapp and then restart Canary.

• Open Finder, click on Go > Go to Folder.