For a bit of context. Inviting Trump was decided on by the party leaders and was not a popular choice with most of the delegates who were worried it would send a confusing signals to people not familiar with the party. Trump was also able to sneak a lot of his MAGA supporters into the convention for the speech. They tried to sit up front to make it look like Trump was popular there but they were forced to sit in the back. So any claims about cheering should be take with some salt.