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/libslic3r/GCode/AdaptivePAProcessor.cpp

@@ -51,7 +51,7 @@ AdaptivePAInterpolator* AdaptivePAProcessor::getInterpolator(unsigned int tool_i
     if (it != m_AdaptivePAInterpolators.end()) {
         return it->second.get();
     }
-    return nullptr;  // Handle the case where the tool_id is not found
+    return nullptr;  // Handle the case where the tool_id was not found
 }
 
 /**