[MM-56399][MM-56397][MM-56456][MM-56269] Various changes for user reporting for admins (#25839)

* [MM-56399] Add user count endpoint for reporting

* [MM-56397] Added search term to user report filter

* Missing translation

* [MM-56456] Rename up/down to prev/next for reporting cursoring

* [MM-56269] Add DeleteAt, MfaActive and AuthService fields to UserReport

* PR feedback

* Fix test

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

api/v4/source/reports.yaml

@@ -81,6 +81,11 @@
           description: If true, show only users that are active. Cannot be used at the same time as "hide_active"
           schema:
             type: boolean
+        - name: search_term
+          in: query
+          description: A filtering search term that allows filtering by Username, FirstName, LastName, Nickname or Email
+          schema:
+            type: string
       responses:
         "200":
           description: User page retrieval successful
@@ -98,3 +103,64 @@
           $ref: "#/components/responses/Forbidden"
         "500":
           $ref: "#/components/responses/InternalServerError"
+  /api/v4/reports/users/count:
+    get:
+      tags:
+        - users
+      summary: Gets the full count of users that match the filter.
+      description: >
+        Get the full count of users admin reporting purposes, based on provided parameters.
+        
+        Must be a system admin to invoke this API.
+        
+        ##### Permissions
+        
+        Requires `sysconsole_read_user_management_users`.
+
+      operationId: GetUserCountForReporting
+      parameters:
+        - name: role_filter
+          in: query
+          description: Filter users by their role.
+          schema:
+            type: string
+        - name: team_filter
+          in: query
+          description: Filter users by a specified team ID.
+          schema:
+            type: string
+        - name: has_no_team
+          in: query
+          description: If true, show only users that have no team. Will ignore provided "team_filter" if true.
+          schema:
+            type: boolean
+        - name: hide_active
+          in: query
+          description: If true, show only users that are inactive. Cannot be used at the same time as "hide_inactive"
+          schema:
+            type: boolean
+        - name: hide_inactive
+          in: query
+          description: If true, show only users that are active. Cannot be used at the same time as "hide_active"
+          schema:
+            type: boolean
+        - name: search_term
+          in: query
+          description: A filtering search term that allows filtering by Username, FirstName, LastName, Nickname or Email
+          schema:
+            type: string
+      responses:
+        "200":
+          description: User count retrieval successful
+          content:
+            application/json:
+              schema:
+                type: number
+        "400":
+          $ref: "#/components/responses/BadRequest"
+        "401":
+          $ref: "#/components/responses/Unauthorized"
+        "403":
+          $ref: "#/components/responses/Forbidden"
+        "500":
+          $ref: "#/components/responses/InternalServerError"