Feature/profile picture

[tobias-wiese]

Description

Implements issue #497 #496

Reason for this PR

• see US As a user, I want to set and change my profile picture #462

Changes in this PR

• remove picture from account entities
• add API for getting and updating profile pictures
• adapt account form to allow changing the profile picture
• add section in private profile for changing the profile picture

Type of change (remove all that don't apply)

• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Dependency updates

• add cypress-file-upload

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Manually tested all use cases this could alter

Test Configuration:

• OS: Windows

• Browser: Firefox Chrome

• Frontend: (remove all that don't apply)

  • Development build

• Backend: (remove all that don't apply)

  • deployed experimental build

Checklist: (remove all that don't apply)

• I added corresponding E2E tests (especially for bugfixes)
• I added corresponding unit tests (if API code)
• I have performed a self-review of my own code
• My changes generate no new linting warnings or console warnings
• I have updated the CHANGELOG.md to include any changes made in this PR (add WIP to the top, if there is none already)