* [#527] added panel to grant right for calendar delegation
* [#527] added rights management to access modal
* [#527] conditionnal rendering of access granting based on rights
* [#527] saves on close except cancel
* [#527] added tests
* [#405] added syncToken in calendar params and fetch with sync token
* [#405] changed reload to work with sync-token
* [#405] fixup promise handling, added calendar adding and removing hanlding with refresh
* [#405] fixed event expansion calls
* [#405 & refactor] added helperfunction to get base event uid + refactored synctoken updates management
* [#405] added pMap lib to process event expansion
* [#405] added flag for no synctoken / new synctoken
- Replace 'Meeting link generated' text with 'Join Visio conference' button
- Button opens video conference link in new tab when clicked
- Use contained variant styling to match Save button appearance
- Maintain copy and delete functionality for meeting links