Change default MONAI Label server address to 127.0.0.1

Connecting to 0.0.0.0 works on mac for some reason, but it's supposed
to be a universal invalid address.  I've only seen it used as a
listening address to mean "listen on all interfaces".

Author: akenmorris

Studio/ShapeWorksMONAI/MonaiLabelTool.ui

@@ -271,7 +271,7 @@
                <item row="0" column="1">
                 <widget class="QLineEdit" name="serverAddressField">
                  <property name="text">
-                  <string>http://0.0.0.0:8000</string>
+                  <string>http://127.0.0.1:8000</string>
                  </property>
                  <property name="alignment">
                   <set>Qt::AlignCenter</set>