fix toolbar size

src/mainwindow.ui

@@ -400,7 +400,7 @@
                 <x>0</x>
                 <y>0</y>
                 <width>1226</width>
-                <height>493</height>
+                <height>504</height>
                </rect>
               </property>
               <layout class="QVBoxLayout" name="sendToLayout">
@@ -1315,17 +1315,6 @@
    <addaction name="menuHelp"/>
   </widget>
   <widget class="QStatusBar" name="statusBar"/>
-  <widget class="QToolBar" name="toolBar">
-   <property name="windowTitle">
-    <string>toolBar</string>
-   </property>
-   <attribute name="toolBarArea">
-    <enum>TopToolBarArea</enum>
-   </attribute>
-   <attribute name="toolBarBreak">
-    <bool>false</bool>
-   </attribute>
-  </widget>
   <action name="actionExit">
    <property name="text">
     <string>E&amp;xit</string>