Register askUserForMneominc in property system

Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>

src/libsync/account.cpp

@@ -974,6 +974,7 @@ bool Account::askUserForMnemonic() const
 void Account::setAskUserForMnemonic(const bool ask)
 {
     _e2eAskUserForMnemonic = ask;
+    emit askUserForMnemonicChanged();
 }
 
 } // namespace OCC

src/libsync/account.h

@@ -86,6 +86,7 @@ class OWNCLOUDSYNC_EXPORT Account : public QObject
     Q_PROPERTY(QString prettyName READ prettyName NOTIFY prettyNameChanged)
     Q_PROPERTY(QUrl url MEMBER _url)
     Q_PROPERTY(bool e2eEncryptionKeysGenerationAllowed MEMBER _e2eEncryptionKeysGenerationAllowed)
+    Q_PROPERTY(bool askUserForMnemonic READ askUserForMnemonic WRITE setAskUserForMnemonic NOTIFY askUserForMnemonicChanged)
 
 public:
     static AccountPtr create();
@@ -343,6 +344,7 @@ signals:
     void accountChangedAvatar();
     void accountChangedDisplayName();
     void prettyNameChanged();
+    void askUserForMnemonicChanged();
 
     /// Used in RemoteWipe
     void appPasswordRetrieved(QString);