Fix english strings consistency (#8881)

* "non zero" -> "non-zero"

* "Z hop" -> "Z-hop"

* "works" -> "is working"

* "version at least x" -> "version x or higher"

* "printing job" -> "print job"
"to print on" -> "printing on"

* "is not find" -> "was not found"

* "boundary of plate" -> "plate boundaries"

* "toolchange" -> "tool change"

* "colour" -> "color"

* "cancelled" -> "canceled"

* "can not" -> "cannot"

* "gcode" -> "G-code"

src/slic3r/GUI/SendSystemInfoDialog.cpp

@@ -166,7 +166,7 @@ static bool check_internet_connection_win()
 
 
 // Last version where the info was sent / dialog dismissed is saved in appconfig.
-// Only show the dialog when this info is not found (e.g. fresh install) or when
+// Only show the dialog when this info was not found (e.g. fresh install) or when
 // current version is newer. Only major and minor versions are compared.
 static bool should_dialog_be_shown()
 {