fdm-monster-client 1.6.7

Fixes:

• Printer state: Sometimes empty flags can be passed (regressions backend...) prevent errors
• Settings page: improve UI / UX for emergency commands settings page, prevent action when no active printers are available.
• Settings page: OctoPrint settings improve UI / UX - better layout and btn disabled loading props + spinner usage

What's Changed

• Fix/prevent nullref issues printerstate util by @davidzwa in #1674
• Fix/emergency commands prevent when no active printers by @davidzwa in #1675
• Fix/improve octoprint settings UI design, no printers means some action buttons disabled by @davidzwa in #1676

Full Changelog: 1.6.6...1.6.7