Acknowledged she was british?
Here's the transcript of the conversation...the line underlined and in bold show why that claim is not true.
Lady SH: Where are you from?
Me: Sistah Space.
SH: No, where do you come from?
Me: We’re based in Hackney.
SH: No, what part of Africa are YOU from?
Me: I don’t know, they didn’t leave any records.
SH: Well, you must know where you’re from, I spent time in France. Where are you from?
Me: Here, UK
SH: NO, but what Nationality are you?
Me: I am born here and am British.
SH: No, but where do you really come from, where do your people come from?
Me: ‘My people’, lady, what is this?
SH: Oh I can see I am going to have a challenge getting you to say where you’re from. When did you first come here?
Me: Lady! I am a British national, my parents came here in the 50s when …
SH: Oh, I knew we’d get there in the end, you’re Caribbean!
Me: No Lady, I am of African heritage, Caribbean descent and British nationality.
SH: Oh, so you’re from …”
https://www.theguardian.com/uk-news/2022/nov/30/buckingham-palace-aide-resigns-black-guest-traumatised-by-repeated-questioning