Properly clone the sqlite3 connection

src/libs/services/database/impl/Db.cpp

@@ -40,13 +40,19 @@ namespace Database
                 prepare();
             }
 
+            Connection(const Connection& other)
+                : Wt::Dbo::backend::Sqlite3{ other }
+                , _dbPath{ other._dbPath }
+            {
+                prepare();
+            }
+
         private:
-            Connection(const Connection&) = delete;
             Connection& operator=(const Connection&) = delete;
 
             std::unique_ptr<SqlConnection> clone() const override
             {
-                return std::make_unique<Connection>(_dbPath);
+                return std::make_unique<Connection>(*this);
             }
 
             void prepare()