some code cleaning\nSize in treeview is now hulan readable\nbegin of password encryption

mainwindow.ui

@@ -325,6 +325,9 @@
            <property name="inputMethodHints">
             <set>Qt::ImhNoAutoUppercase</set>
            </property>
+           <property name="placeholderText">
+            <string>Filter...</string>
+           </property>
           </widget>
          </item>
         </layout>
@@ -469,7 +472,8 @@
   </action>
   <action name="actionHiddenService">
    <property name="icon">
-    <iconset theme="folder-open"/>
+    <iconset theme="folder-open">
+     <normaloff>.</normaloff>.</iconset>
    </property>
    <property name="text">
     <string>hidden service</string>