A financial company is developing a new application for mobile banking using a hybrid approach The project is delayed as the product concept has not yet been developed to the key stakeholder s satisfaction despite multiple design iterations. The key stakeholder has now started participating in all daily standups. The project manager has observed that the key stakeholder's presence has had a negative impact on the team's morale, while also impacting productivity How should the project manager ensure that the stakeholder s issues are addressed effectively without impacting the team?