[WIP][Plan A for printing pdf] TF-2764 Add print button in PDF Viewer

[dab246]

Issue

#2764

Browser Supported

• [x] Chrome
• [x] Opera
• [x] Firefox
• [x] Microsoft EDGE
• [ ] Safari

Demo

• Chrome:

https://github.com/linagora/tmail-flutter/assets/80730648/4df95345-34f6-416a-a32c-71a11020eac9

• Microsoft EDGE:

https://github.com/linagora/tmail-flutter/assets/80730648/faec0604-6cca-4698-9b99-6ed5035a97d6

• Opera:

https://github.com/linagora/tmail-flutter/assets/80730648/2213b983-8fed-40c6-8cd4-50f5f7b2bae6

• Firefox:

https://github.com/linagora/tmail-flutter/assets/80730648/1308d489-8569-4524-810a-673b0972d1ea

Note

• The file name when printing is randomly generated from the corresponding browser.

[github-actions[bot]]

This PR has been deployed to https://linagora.github.io/tmail-flutter/2766.

[hoangdat]

• keep it as plan B

Next steps:

• please choose another way to preview pdf in dart
  • then print by browser
  • change download logic also