Yes so if they claim it was misconduct that I left the room/building / disobeyed them or something similar
Hi, sorry for the delay, got called in for some meetings earlier. To be honest the position will not really change because the main issue is still your length of service. So even if you walk away from a confrontational situation and were right in doing so, the employer could use this as an excuse to dismiss you. I would not say that it is gross misconduct because there are reasons for you doing this and it is not just an unreasonable refusal to do the work, you are after all acting in response to a situation you have been placed in that is unwarranted and unwelcome, but it can still be used by the employer to dismiss you if they wanted to. Remember that they can use more or less any reason to terminate your employment, including allegations you walking away from this.