qt: Do not translate file extensions

src/qt/addressbookpage.cpp

@@ -295,7 +295,7 @@ void AddressBookPage::on_exportButton_clicked()
     // CSV is currently the only supported format
     QString filename = GUIUtil::getSaveFileName(this,
         tr("Export Address List"), QString(),
-        tr("Comma separated file (*.csv)"), nullptr);
+        tr("Comma separated file", "Name of CSV file format") + QLatin1String(" (*.csv)"), nullptr);
 
     if (filename.isNull())
         return;

src/qt/psbtoperationsdialog.cpp

@@ -141,7 +141,7 @@ void PSBTOperationsDialog::saveTransaction() {
     filename_suggestion.append(".psbt");
     QString filename = GUIUtil::getSaveFileName(this,
         tr("Save Transaction Data"), filename_suggestion,
-        tr("Partially Signed Transaction (Binary) (*.psbt)"), &selected_filter);
+        tr("Partially Signed Transaction (Binary)", "Name of binary PSBT file format") + QLatin1String(" (*.psbt)"), &selected_filter);
     if (filename.isEmpty()) {
         return;
     }

src/qt/qrimagewidget.cpp

@@ -120,7 +120,9 @@ void QRImageWidget::saveImage()
 {
     if (!GUIUtil::HasPixmap(this))
         return;
-    QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), nullptr);
+    QString fn = GUIUtil::getSaveFileName(
+        this, tr("Save QR Code"), QString(),
+        tr("PNG Image", "Name of PNG file format") + QLatin1String(" (*.png)"), nullptr);
     if (!fn.isEmpty())
     {
         exportImage().save(fn);

src/qt/sendcoinsdialog.cpp

@@ -430,7 +430,7 @@ void SendCoinsDialog::on_sendButton_clicked()
             fileNameSuggestion.append(".psbt");
             QString filename = GUIUtil::getSaveFileName(this,
                 tr("Save Transaction Data"), fileNameSuggestion,
-                tr("Partially Signed Transaction (Binary) (*.psbt)"), &selectedFilter);
+                tr("Partially Signed Transaction (Binary)", "Name of binary PSBT file format") + QLatin1String(" (*.psbt)"), &selectedFilter);
             if (filename.isEmpty()) {
                 return;
             }

src/qt/transactionview.cpp

@@ -354,7 +354,7 @@ void TransactionView::exportClicked()
     // CSV is currently the only supported format
     QString filename = GUIUtil::getSaveFileName(this,
         tr("Export Transaction History"), QString(),
-        tr("Comma separated file (*.csv)"), nullptr);
+        tr("Comma separated file", "Name of CSV file format") + QLatin1String(" (*.csv)"), nullptr);
 
     if (filename.isNull())
         return;

src/qt/walletview.cpp

@@ -273,7 +273,7 @@ void WalletView::backupWallet()
 {
     QString filename = GUIUtil::getSaveFileName(this,
         tr("Backup Wallet"), QString(),
-        tr("Wallet Data (*.dat)"), nullptr);
+        tr("Wallet Data", "Name of wallet data file format") + QLatin1String(" (*.dat)"), nullptr);
 
     if (filename.isEmpty())
         return;