refresh contactlist on HushChat tab

src/contactmodel.cpp

@@ -3,8 +3,13 @@
 
 void ContactModel::renderContactList(QListWidget* view)
 {
+    while(view->count() > 0)
+    {
+        view->takeItem(0);
+    }
 	for(auto &c : AddressBook::getInstance()->getAllAddressLabels())
     {
     	view->addItem(c.getName());
+        
     }
 }

src/mainwindow.ui

@@ -1388,6 +1388,14 @@
         </property>
        </widget>
        <widget class="QLabel" name="memoSizeChat">
+        <property name="geometry">
+         <rect>
+          <x>1180</x>
+          <y>460</y>
+          <width>47</width>
+          <height>17</height>
+         </rect>
+        </property>
         <property name="text">
          <string notr="true">0 / 512</string>
         </property>