NocoBase v1.6.15: Add trim option for text field

[database]
- Add trim option for text field (#6603) by @mytharcher
- Add trim option for string field (#6565) by @mytharcher
[File manager] Add trim option for text fields of storages collection (#6604) by @mytharcher
[Workflow] Improve code (#6589) by @mytharcher
[Workflow: Approval] Support to use block template for approval process form by @mytharcher

[database] Avoid “datetimeNoTz” field changes when value not changed in updating record (#6588) by @mytharcher
[client]
- association field (select) displaying N/A when exposing related collection fields (#6582) by @katherinehhh
- Fix disabled property not works when SchemaInitializerItem has items (#6597) by @mytharcher
- cascade issue: ‘The value of xxx cannot be in array format’ when deleting and re-selecting (#6585) by @katherinehhh
[Collection field: Many to many (array)] Issue of filtering by fields in an association collection with a many to many (array) field (#6596) by @2013xile
[Public forms] View permissions include list and get (#6607) by @chenos
[Authentication] token assignment in AuthProvider (#6593) by @2013xile
[Workflow] Fix sync option display incorrectly (#6595) by @mytharcher
[Block: Map] map management validation should not pass with space input (#6575) by @katherinehhh
[Workflow: Approval]
- Fix client variables to use in approval form by @mytharcher
- Fix branch mode when endOnReject configured as true by @mytharcher