Fix a merge error causing timeouts on the virtual printer
Fix a merge error causing timeouts on the virtual printer

Long lines (longer than rx buffer) could not be processed at all, leading
to a serial timeout exception thrown by the virtual printer. Adjusted
to allow for partial processing like on maintenance

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