Yes, adultery was defined as being between a man and a woman, so homosexuality didn't count as "defiling the marriage bed."
This happened to a friend of mine. The first time her husband cheated with another man, she was "not scripturally free to remarry." The second time ten years later she was, but by that time she felt she was too old to start over, so they still live on separate floors in the same house decades later. He's still DF'D, still bisexual and still a believer tortured by the guilt of his "sins".
True to WT's perverse women-hating rules, she is considered to not be living an "exemplary life" and is not allowed to pioneer, because they are living in the same house as "separated" in name only, not legally separated. Just one of the long list of doctrinal issues I had that lead to my exit.
Oh, and they drive to assemblies together, stay at separate hotels and don't sit together during sessions, but they eat at restaurants together, because they're still married. You can make this stuff up.