Fixed Bug that kept image shown after changing root

Renamed ArtNetManager.change_image() to ArtNetManager.refresh_shown_image()
Added a refresh of image and config when changing root.

ArtNet/artnet_manager.py

@@ -65,7 +65,7 @@ class ArtNetManager:
     def run(self):
         if len(self.all_images) > 0:
             self.curr_image_index = 0
-        self.change_image()
+        self.refresh_shown_image()
 
         self.window.show()
 
@@ -314,7 +314,7 @@ class ArtNetManager:
         else:
             return None
 
-    def change_image(self):
+    def refresh_shown_image(self):
         """
         Refresh the image display to show the most current data according to the selected image
         :return:
@@ -370,6 +370,9 @@ class ArtNetManager:
         print("Changing root to", path)
         self.config.data["file_root"] = path
         self.config.update_config()
+        self.__file_reader = FileReader(self.config.data["file_root"])
+        self.update_all_images_list()
+        self.refresh_shown_image()
 
     def get_db_connection_details(self) -> dict:
         return self.config.data["db"]