fix: fixing macOs build issues, removing outdated code

+ fixed the issue of not building on macOS
+ removed outdated right-align function

src/hobbits-plugins/importerexporters/UsbDevice/usbdevice.cpp

@@ -391,7 +391,7 @@ QSharedPointer<ImportResult> UsbDevice::importBits(const Parameters &parameters,
     return ImportResult::result(container, parameters);
 }
 
-QSharedPointer<ImportResult> returnError(int errorCode)
+QSharedPointer<ImportResult> UsbDevice::returnError(int errorCode)
 {
     if (errorCode == LIBUSB_ERROR_IO)
     {

src/hobbits-plugins/importerexporters/UsbDevice/usbdeviceimporteditor.cpp

@@ -306,31 +306,6 @@ void UsbDeviceImportEditor::updateSelector(QComboBox *selector, QStringList item
     }
 }
 
-/**
- * @brief Adds the leading zeros to the hex string passed into the parameter str, and returns the new string
- * useful for getting the list of devices, and identifiying their vendor and product name from ID.
- * 
- * @param str std::string, the hex string of either the vendorID or productID
- * @return QString - the hex string, but with the proper number of leading zeroes added to it. 
- */
-QString UsbDeviceImportEditor::addLeadingZeros(std::string str){
-    switch (str.length())
-    {
-    case 1: 
-        return "000" + QString::fromStdString(str);
-        break;
-    case 2:
-        return "00" + QString::fromStdString(str);
-        break;
-    case 3:
-        return "0" + QString::fromStdString(str);
-        break;
-    default:
-        return QString::fromStdString(str);
-        break;
-    }
-}
-
 /**
  * @brief Gets the name of the Vendor and the Product in a human understandable string, based of the product and vendor IDs 
  * passed as parameters