A Black real estate agent found herself going viral when a property visit ended with the next-door neighbor calling 911. She said the man accused her of breaking in. In the Aug. 26 Instagram video, an elderly white resident from Columbia, Maryland, appeared to have a mini-tantrum when he spotted Chela’ P — complete with name-calling and weaponizing the police. And in the end, he got off with just a warning, she said in a follow-up comment. White…