QT: Add 'copy full transaction details' option

Adds feature from issue #7484

modifies the ctrl-c binding to copy full transaction details in transaction view.

Added translation

src/qt/transactionview.h

@@ -94,6 +94,7 @@ private Q_SLOTS:
     void copyAmount();
     void copyTxID();
     void copyTxHex();
+    void copyTxPlainText();
     void openThirdPartyTxUrl(QString url);
     void updateWatchOnlyColumn(bool fHaveWatchOnly);