Use AnnotAppearanceBuilder::setTextFont instead of raw appendf

2 jobs for fix-font-in-freetext-annotation-without-ap in 4 minutes and 26 seconds (queued for 19 seconds)
latest
Status Job ID Name Coverage
  Build
passed #23102
build

00:04:11

passed #23103
build_clang_libcpp

00:03:41