[Web] Open file from within tab bar

[tbsbdr]

Description

User Stories

• As a user who is editing a document I want to open another document so that I can switch between documents.

Value

• Support multi-task environment
• Improve task switching

Acceptance Criteria

• Add "open folder" icon to top bar; klick on icon opens embedded web view in filepicker mode
• embedded web view initially shows the content of the current folder
• click on any supported file, opens the file
  • file opens in new tab
  • unsupported files are greyed out
• This action is a FileAction (appears in the context menu)
  • not visible in the files app
  • to be reused for the open folder icon in the top bar

Notes:

• Good read for guidance on the "open in new tab" discussion: https://www.stefanjudis.com/blog/reasons-for-opening-links-in-a-new-tab/

Definition of ready

• [ ] Everybody needs to understand the value written in the user story
• [ ] Acceptance criteria have to be defined
• [ ] All dependencies of the user story need to be identified
• [ ] Feature should be seen from an end user perspective
• [ ] Story has to be estimated
• [ ] Story points need to be less than 20

Definition of done

• Functional requirements
  • [ ] Functionality described in the user story works
  • [ ] Acceptance criteria are fulfilled
• Quality
  • [ ] Code review happened
  • [ ] CI is green (that includes new and existing automated tests)
  • [ ] Critical code received unit tests by the developer
• Non-functional requirements
  • [ ] No sonar cloud issues

Visuals