Fix a case where the stepguider would fail to bump the secondary mount.
Fix a case where the stepguider would fail to bump the secondary mount.

If the star has drifted so far that the step would fall outside the stepguider's
range, and if the current stepguider position is in range, then no secondary bump
would occur.

simonct/phd2,hholi/phd2,lynxdeterra/open-phd-guiding,hholi/phd2,OpenPHDGuiding/phd2,eklenske/phd2,hholi/phd2,OpenPHDGuiding/phd2,hholi/phd2,eklenske/phd2,simonct/phd2,olegkutkov/phd2guiding_crao,simonct/phd2,EverettQuebral/phd2,simonct/phd2,lynxdeterra/open-phd-guiding,EverettQuebral/phd2,OpenPHDGuiding/phd2,simonct/phd2,simonct/phd2,olegkutkov/phd2guiding_crao,lynxdeterra/open-phd-guiding,EverettQuebral/phd2,EverettQuebral/phd2,hholi/phd2,OpenPHDGuiding/phd2,OpenPHDGuiding/phd2,lynxdeterra/open-phd-guiding,lynxdeterra/open-phd-guiding,lynxdeterra/open-phd-guiding,eklenske/phd2,eklenske/phd2,eklenske/phd2,olegkutkov/phd2guiding_crao,hholi/phd2,OpenPHDGuiding/phd2,olegkutkov/phd2guiding_crao,EverettQuebral/phd2,EverettQuebral/phd2,olegkutkov/phd2guiding_crao,eklenske/phd2,olegkutkov/phd2guiding_crao