dependencies/ui: Fix qt compiler detection when bindir is set
dependencies/ui: Fix qt compiler detection when bindir is set

Fixes: #4527

becm/meson,pexip/meson,mesonbuild/meson,QuLogic/meson,pexip/meson,jpakkane/meson,QuLogic/meson,jpakkane/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,mesonbuild/meson,becm/meson,QuLogic/meson,mesonbuild/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,becm/meson,jpakkane/meson,pexip/meson,mesonbuild/meson,becm/meson,becm/meson,becm/meson,mesonbuild/meson,QuLogic/meson,becm/meson,pexip/meson,pexip/meson,QuLogic/meson,QuLogic/meson,pexip/meson,jpakkane/meson,pexip/meson,QuLogic/meson,jpakkane/meson,becm/meson,jpakkane/meson,jpakkane/meson,becm/meson,mesonbuild/meson,QuLogic/meson,becm/meson,QuLogic/meson,jpakkane/meson,jpakkane/meson,pexip/meson