[QA] fix flaky tests in recent ci runs

[nirajacharya2]

Wopi

build: https://drone.owncloud.com/owncloud/ocis/50287/36/13

• Scenario Outline: open file with .odt extension (open-with-web)
• Scenario: user tries to open text file using open-with-web without app name in url query (MIME type not registered in app-registry)
• Scenario Outline: public user opens file with .odt extension (open-with-web)
• Scenario Outline: sharee open file with .odt extension (open-with-web)

sharingNgShareInvitation

build: https://drone.owncloud.com/owncloud/ocis/50288/31/5

• Scenario Outline: send share invitation for project space resource to group with different roles (permissions endpoint)