Add admin update endpoint that can update authservice and authdata (#7842)

* add admin update endpoint that can upate authservice and authdata

* Control only SystemAdmin access

* Refactored AdminUpdate endpoint to only be able to update AuthData, AuthService and Password by User.Id

* Refactor to move `PUT /api/v4/users/{user_id}/auth`. Created a struct to hold UserAuth info.

model/client4.go

@@ -766,6 +766,16 @@ func (c *Client4) PatchUser(userId string, patch *UserPatch) (*User, *Response)
 	}
 }
 
+// UpdateUserAuth updates a user AuthData (uthData, authService and password) in the system.
+func (c *Client4) UpdateUserAuth(userId string, userAuth *UserAuth) (*UserAuth, *Response) {
+	if r, err := c.DoApiPut(c.GetUserRoute(userId)+"/auth", userAuth.ToJson()); err != nil {
+		return nil, BuildErrorResponse(r, err)
+	} else {
+		defer closeBody(r)
+		return UserAuthFromJson(r.Body), BuildResponse(r)
+	}
+}
+
 // UpdateUserMfa activates multi-factor authentication for a user if activate
 // is true and a valid code is provided. If activate is false, then code is not
 // required and multi-factor authentication is disabled for the user.