“Big Brother 28” star Haley Thogmartin admitted “it wasn’t fun” when Angela Murray exploded on her earlier this season. “I knew in that situation that I was getting lied to,” Thogmartin, 29, exclusively told Page Six. “I hated how upset she got in the moment before the whole blowup happened.” Thogmartin and Murray, 53, started the game as close allies, but during week four, Murray double-crossed the telemedicine executive by blindsiding Lyric Medeiros during Thogmartin’s HOH reign. Murray lied about her vote for several days before she came clean to Thogmartin, which led to their explosive fight. “I did try to say, like, ‘Can we talk…