[MM-34076] Add Plugin API User custom status (#17435)

* add missing client for custom user status

* add custom user status plugin api

* update based on feedback review

* add GetCustomStatus

* update interfaces

plugin/plugintest/api.go

@@ -2918,6 +2918,22 @@ func (_m *API) RemoveTeamIcon(teamID string) *model.AppError {
 	return r0
 }
 
+// RemoveUserCustomStatus provides a mock function with given fields: userID
+func (_m *API) RemoveUserCustomStatus(userID string) *model.AppError {
+	ret := _m.Called(userID)
+
+	var r0 *model.AppError
+	if rf, ok := ret.Get(0).(func(string) *model.AppError); ok {
+		r0 = rf(userID)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*model.AppError)
+		}
+	}
+
+	return r0
+}
+
 // RequestTrialLicense provides a mock function with given fields: requesterID, users, termsAccepted, receiveEmailsAccepted
 func (_m *API) RequestTrialLicense(requesterID string, users int, termsAccepted bool, receiveEmailsAccepted bool) *model.AppError {
 	ret := _m.Called(requesterID, users, termsAccepted, receiveEmailsAccepted)
@@ -3531,6 +3547,22 @@ func (_m *API) UpdateUserActive(userID string, active bool) *model.AppError {
 	return r0
 }
 
+// UpdateUserCustomStatus provides a mock function with given fields: userID, customStatus
+func (_m *API) UpdateUserCustomStatus(userID string, customStatus *model.CustomStatus) *model.AppError {
+	ret := _m.Called(userID, customStatus)
+
+	var r0 *model.AppError
+	if rf, ok := ret.Get(0).(func(string, *model.CustomStatus) *model.AppError); ok {
+		r0 = rf(userID, customStatus)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*model.AppError)
+		}
+	}
+
+	return r0
+}
+
 // UpdateUserStatus provides a mock function with given fields: userID, status
 func (_m *API) UpdateUserStatus(userID string, status string) (*model.Status, *model.AppError) {
 	ret := _m.Called(userID, status)