Make Sat Tracker GUI expanding, so table uses empty space

plugins/feature/satellitetracker/satellitetrackergui.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>