wizard: add space when autocompleting words

src/components.h

@@ -4,6 +4,7 @@
 #ifndef FEATHER_COMPONENTS_H
 #define FEATHER_COMPONENTS_H
 
+#include <QCompleter>
 #include <QPushButton>
 #include <QHBoxLayout>
 #include <QDialog>
@@ -117,4 +118,13 @@ public:
     }
 };
 
+class SpaceCompleter : public QCompleter {
+protected:
+    QString pathFromIndex(const QModelIndex &index) const override
+    {
+        QString completion = QCompleter::pathFromIndex(index);
+        return completion + ' ';
+    }
+};
+
 #endif //FEATHER_COMPONENTS_H

src/wizard/PageWalletRestoreSeed.cpp

@@ -237,4 +237,4 @@ void PageWalletRestoreSeed::onOptionsClicked() {
     m_fields->showSetRestoreHeightPage = check_overrideCreationDate.isChecked();
     m_fields->showSetSeedPassphrasePage = check_setSeedPasshprase.isChecked();
     m_fields->showSetSubaddressLookaheadPage = check_subaddressLookahead.isChecked();
-}
+}

src/wizard/PageWalletRestoreSeed.h

@@ -8,6 +8,8 @@
 #include <QCompleter>
 #include <QStringListModel>
 
+#include "components.h"
+
 namespace Ui {
     class PageWalletRestoreSeed;
 }
@@ -41,7 +43,7 @@ private:
         int length;
         QStringList words;
         QStringListModel completerModel;
-        QCompleter completer;
+        SpaceCompleter completer;
         Seed::Type type;
     };