fix issue with kit import overwriting local file due to file name reference

Author: LesserChance

src/redux/actions.js

@@ -72,6 +72,10 @@ export function importKitFromFile() {
         }
 
         let {kit, pads} = getKitAndPadsFromFile(result.filePaths[0]);
+
+        // remove the filename, as a new one will get created
+        kit.fileName = null;
+
         dispatch({ type: Actions.ADD_PADS, pads: pads });
         dispatch({ type: Actions.ADD_KIT, kit: kit });
         dispatch({ type: Actions.SET_SELECTED_KIT_ID, kitId: kit.id });

src/util/storage.js

@@ -76,7 +76,6 @@ export const saveKitToFile = (kit, pads, asNew = false) => {
       fs.writeSync(fd, buffer, 0, buffer.length);
     });
 
-
     if (currentFileName && desiredFileName !== currentFileName && !asNew) {
       // we need to rename the file, too
       fs.renameSync(