Fixed printerParameters config migrator
Fixed printerParameters config migrator

Was marking the config as dirty just when printerParameters entry existed,
which always exists - various sub entries of that are what needs to be checked
instead.

shohei/Octoprint,MoonshineSG/OctoPrint,Salandora/OctoPrint,senttech/OctoPrint,nickverschoor/OctoPrint,beeverycreative/BEEweb,MoonshineSG/OctoPrint,foosel/OctoPrint,bicephale/OctoPrint,JackGavin13/octoprint-test-not-finished,senttech/OctoPrint,shohei/Octoprint,Jaesin/OctoPrint,nickverschoor/OctoPrint,Jaesin/OctoPrint,ryanneufeld/OctoPrint,JackGavin13/octoprint-test-not-finished,nickverschoor/OctoPrint,JackGavin13/octoprint-test-not-finished,Jaesin/OctoPrint,MoonshineSG/OctoPrint,beeverycreative/BEEweb,bicephale/OctoPrint,beeverycreative/BEEweb,nickverschoor/OctoPrint,foosel/OctoPrint,Salandora/OctoPrint,bicephale/OctoPrint,shohei/Octoprint,ryanneufeld/OctoPrint,beeverycreative/BEEweb,senttech/OctoPrint,foosel/OctoPrint,MoonshineSG/OctoPrint,senttech/OctoPrint,Jaesin/OctoPrint,ryanneufeld/OctoPrint,foosel/OctoPrint,shohei/Octoprint,shohei/Octoprint,JackGavin13/octoprint-test-not-finished,Salandora/OctoPrint,Salandora/OctoPrint,ryanneufeld/OctoPrint,bicephale/OctoPrint