bug(filesystem): subsequent appendFile calls error on web

[jcesarmobile]

Bug Report

Plugin(s)

filesystem

Capacitor Version

3.x

Platform(s)

web

Current Behavior

calling appendFile multiple times with base64 ends up in broken file

Expected Behavior

to append correctly as web and android do

Code Reproduction

https://github.com/jcesarmobile/issue-5541/tree/append-bug
run

npm install
npm start

see First and Next
refresh the browser and you'll get a white screen and an error on the console

Other Technical Details

Additional Context

[jcesarmobile]

this has been fixed in 4.0.0 beta 0

[ionitron-bot]

Thanks for the issue! This issue is being locked to prevent comments that are not relevant to the original issue. If this is still an issue with the latest version of the plugin, please create a new issue and ensure the template is fully filled out.