fix: set info user task assignee for saas and sm

docs/components/modeler/bpmn/user-tasks/user-tasks.md

@@ -36,6 +36,11 @@ attributes can be specified simultaneously:
 - `candidateUsers`: Specifies the users that the task can be assigned to.
 - `candidateGroups`: Specifies the groups of users that the task can be assigned to.
 
+:::info
+The assignee attribute must adhere to the userId field’s case-sensitivity requirements.
+Note that in SaaS, all user IDs are converted to lowercase by default, as they are based on email addresses.
+:::
+
 :::info
 Assignment resources can also be used for set user task restrictions ([SaaS](/components/concepts/access-control/user-task-access-restrictions.md)/[Self-Managed](docs/self-managed/concepts/access-control/user-task-access-restrictions.md)), where users will see only the tasks they have authorization to work on.
 :::

versioned_docs/version-8.4/components/modeler/bpmn/user-tasks/user-tasks.md

@@ -56,6 +56,11 @@ attributes can be specified simultaneously:
 - `candidateUsers`: Specifies the users that the task can be assigned to.
 - `candidateGroups`: Specifies the groups of users that the task can be assigned to.
 
+:::info
+The assignee attribute must adhere to the userId field’s case-sensitivity requirements.
+Note that in SaaS, all user IDs are converted to lowercase by default, as they are based on email addresses.
+:::
+
 Typically, the assignee, candidate users, and candidate groups are defined as [static values](/docs/components/concepts/expressions.md#expressions-vs-static-values) (e.g. `some_username`, `some_username, another_username` and
 `sales, operations`), but they can also be defined as
 [expressions](/components/concepts/expressions.md) (e.g. `= book.author` and `= remove(reviewers, book.author)` and `= reviewer_roles`). The expressions are evaluated on activating the user task and must result in a

versioned_docs/version-8.5/components/modeler/bpmn/user-tasks/user-tasks.md

@@ -35,6 +35,11 @@ attributes can be specified simultaneously:
 - `candidateUsers`: Specifies the users that the task can be assigned to.
 - `candidateGroups`: Specifies the groups of users that the task can be assigned to.
 
+:::info
+The assignee attribute must adhere to the userId field’s case-sensitivity requirements.
+Note that in SaaS, all user IDs are converted to lowercase by default, as they are based on email addresses.
+:::
+
 :::info
 Assignment resources can also be used for set user task restrictions ([SaaS](/components/concepts/access-control/user-task-access-restrictions.md)/[Self-Managed](docs/self-managed/concepts/access-control/user-task-access-restrictions.md)), where users will see only the tasks they have authorization to work on.
 :::

versioned_docs/version-8.6/components/modeler/bpmn/user-tasks/user-tasks.md

@@ -36,6 +36,11 @@ attributes can be specified simultaneously:
 - `candidateUsers`: Specifies the users that the task can be assigned to.
 - `candidateGroups`: Specifies the groups of users that the task can be assigned to.
 
+:::info
+The assignee attribute must adhere to the userId field’s case-sensitivity requirements.
+Note that in SaaS, all user IDs are converted to lowercase by default, as they are based on email addresses.
+:::
+
 :::info
 Assignment resources can also be used for set user task restrictions ([SaaS](/components/concepts/access-control/user-task-access-restrictions.md)/[Self-Managed](docs/self-managed/concepts/access-control/user-task-access-restrictions.md)), where users will see only the tasks they have authorization to work on.
 :::