Fix format and add error message to log. Contributes to CURA-5301

cura/CuraApplication.py

@@ -1354,7 +1354,7 @@ class CuraApplication(QtApplication):
         try:
             group_node = Selection.getAllSelectedObjects()[0]
         except Exception as e:
-            Logger.log("d", "mergeSelected: Exception:", e)
+            Logger.log("d", "mergeSelected: Exception: %s", e)
             return
 
         meshes = [node.getMeshData() for node in group_node.getAllChildren() if node.getMeshData()]

cura/Settings/CuraContainerRegistry.py

@@ -191,7 +191,7 @@ class CuraContainerRegistry(ContainerRegistry):
                 return { "status": "ok", "message": catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "No custom profile to import in file <filename>{0}</filename>", file_name)}
             except Exception as e:
                 # Note that this will fail quickly. That is, if any profile reader throws an exception, it will stop reading. It will only continue reading if the reader returned None.
-                Logger.log("e", "Failed to import profile from %s: %s while using profile reader. Got exception %s", file_name,profile_reader.getPluginId(), str(e))
+                Logger.log("e", "Failed to import profile from %s: %s while using profile reader. Got exception %s", file_name, profile_reader.getPluginId(), str(e))
                 return { "status": "error", "message": catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "Failed to import profile from <filename>{0}</filename>: <message>{1}</message>", file_name, "\n" + str(e))}
 
             if profile_or_list: