satisfy cppcheck; some gui improvement for 800x480

src/gui/qt/gui_800x480/gamelobbydialog_800x480.ui

@@ -146,7 +146,7 @@ p, li { white-space: pre-wrap; }
       <string notr="true">QObject {font: bold 18px}</string>
      </property>
      <property name="currentIndex">
-      <number>0</number>
+      <number>1</number>
      </property>
      <widget class="QWidget" name="tab_1">
       <property name="styleSheet">

src/gui/qt/gui_800x480/settingsdialog_800x480.ui

@@ -149,7 +149,7 @@
      <item>
       <widget class="QStackedWidget" name="stackedWidget">
        <property name="currentIndex">
-        <number>1</number>
+        <number>7</number>
        </property>
        <widget class="QWidget" name="page">
         <property name="styleSheet">
@@ -3811,7 +3811,7 @@ p, li { white-space: pre-wrap; }
                <number>1</number>
               </property>
               <property name="maximum">
-               <number>7</number>
+               <number>3650</number>
               </property>
               <property name="value">
                <number>2</number>
@@ -3927,6 +3927,9 @@ p, li { white-space: pre-wrap; }
              <property name="alternatingRowColors">
               <bool>true</bool>
              </property>
+             <property name="selectionMode">
+              <enum>QAbstractItemView::ExtendedSelection</enum>
+             </property>
              <property name="indentation">
               <number>5</number>
              </property>

src/gui/qt/gui_800x480/tabs_800x480.ui

@@ -82,7 +82,7 @@
              <enum>Qt::NoFocus</enum>
             </property>
             <property name="currentIndex">
-             <number>3</number>
+             <number>1</number>
             </property>
             <widget class="QWidget" name="tab_Hands">
              <attribute name="title">
@@ -126,6 +126,9 @@
                 <property name="horizontalScrollBarPolicy">
                  <enum>Qt::ScrollBarAlwaysOff</enum>
                 </property>
+                <property name="openExternalLinks">
+                 <bool>true</bool>
+                </property>
                </widget>
               </item>
               <item row="1" column="0">
@@ -765,11 +768,6 @@
   </layout>
  </widget>
  <customwidgets>
-  <customwidget>
-   <class>Slider</class>
-   <extends>QSlider</extends>
-   <header>myslider.h</header>
-  </customwidget>
   <customwidget>
    <class>MyLeftTabWidget</class>
    <extends>QTabWidget</extends>
@@ -787,6 +785,11 @@
    <extends>QLabel</extends>
    <header>mychancelabel.h</header>
   </customwidget>
+  <customwidget>
+   <class>Slider</class>
+   <extends>QSlider</extends>
+   <header>myslider.h</header>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections>