Change Entry::clone() to set a random uuid.

src/core/Entry.cpp

@@ -436,7 +436,7 @@ Entry* Entry::clone() const
 {
     Entry* entry = new Entry();
     entry->setUpdateTimeinfo(false);
-    entry->m_uuid = m_uuid;
+    entry->m_uuid = Uuid::random();
     entry->m_data = m_data;
     entry->m_attributes->copyDataFrom(m_attributes);
     entry->m_attachments->copyDataFrom(m_attachments);

src/gui/DatabaseWidget.cpp

@@ -222,7 +222,6 @@ void DatabaseWidget::cloneEntry()
     }
 
     Entry* entry = currentEntry->clone();
-    entry->setUuid(Uuid::random());
     entry->setGroup(currentEntry->group());
     m_entryView->setFocus();
     m_entryView->setCurrentEntry(entry);