reuse query folder dialog

also reduce height

src/admc/console_impls/query_folder_impl.cpp

@@ -63,9 +63,11 @@ QueryFolderImpl::QueryFolderImpl(ConsoleWidget *console_arg)
 
     import_action = new QAction(tr("&Import query..."), this);
 
+    create_query_folder_dialog = new CreateQueryFolderDialog(console);
+
     connect(
         new_query_folder_action, &QAction::triggered,
-        this, &QueryFolderImpl::on_new_query_folder);
+        create_query_folder_dialog, &QDialog::open);
     connect(
         new_query_item_action, &QAction::triggered,
         this, &QueryFolderImpl::on_new_query_item);
@@ -151,11 +153,6 @@ void QueryFolderImpl::on_new_query_item() {
     dialog->open();
 }
 
-void QueryFolderImpl::on_new_query_folder() {
-    auto dialog = new CreateQueryFolderDialog(console);
-    dialog->open();
-}
-
 void QueryFolderImpl::on_import() {
     const QModelIndex parent_index = console->get_selected_item(ItemType_QueryFolder);
 

src/admc/console_impls/query_folder_impl.h

@@ -23,6 +23,8 @@
 
 #include "console_widget/console_impl.h"
 
+class CreateQueryFolderDialog;
+
 class QueryFolderImpl final : public ConsoleImpl {
     Q_OBJECT
 
@@ -48,8 +50,8 @@ private:
     QAction *new_action;
     QAction *edit_action;
     QAction *import_action;
+    CreateQueryFolderDialog *create_query_folder_dialog;
 
-    void on_new_query_folder();
     void on_new_query_item();
     void on_edit();
     void on_import();

src/admc/create_query_folder_dialog.cpp

@@ -37,8 +37,6 @@ CreateQueryFolderDialog::CreateQueryFolderDialog(ConsoleWidget *console_arg)
     ui = new Ui::CreateQueryFolderDialog();
     ui->setupUi(this);
 
-    setAttribute(Qt::WA_DeleteOnClose);
-    
     console = console_arg;
 }
 

src/admc/create_query_folder_dialog.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>300</height>
+    <height>127</height>
    </rect>
   </property>
   <property name="windowTitle">