Allow .3mf file selection for orcaslicer compatibility

Author: ansonl

src/gui.py

@@ -113,7 +113,7 @@ def create_widgets(self):
     gcodeFlavorComboBox.grid(row=0, column=1, sticky=tk.EW, padx=10, pady=10)
 
     def selectImportGcodeFile():
-      fn = select_open_file([('All supported files', '.gcode .gcode.3mf'), ('G-code', '*.gcode'), ('Plate Sliced 3MF', '*.gcode.3mf')])
+      fn = select_open_file([('All supported files', '.gcode .gcode.3mf .3mf'), ('G-code', '*.gcode'), ('Plate Sliced 3MF', '*.gcode.3mf'), ('3MF', '*.3mf')])
       if fn:
         importGcodeButton.config(text=truncateMiddleLength(fn, 50))
         exportFn = addExportToFilename(fn)

src/mfm/plate_sliced.py

@@ -90,7 +90,7 @@ def processAllPlateGcodeForZipFile(inputZip: zipfile.ZipFile, out: typing.TextIO
 
   if statusQueue:
     sqItem = StatusQueueItem()
-    sqItem.statusRight = f"Completed all {platesProcessed} plate sliced gcode{'s' if platesProcessed > 0 else ''} in {str(datetime.timedelta(seconds=time.monotonic()-startTime))}s" if platesProcessed > 0 else "Did not find plate sliced gcode"
+    sqItem.statusRight = f"Completed all {platesProcessed} plate sliced G-code{'s' if platesProcessed > 0 else ''} in {str(datetime.timedelta(seconds=time.monotonic()-startTime))}s" if platesProcessed > 0 else "Did not find any plate sliced G-code to process."
     sqItem.progress = 100
     statusQueue.put(item=sqItem)