bind fleet summaries, fixup fleet post processing

Stars Assistant/Views/BuColView.axaml

@@ -21,7 +21,7 @@
         <DataGridTextColumn Header="Pop" Binding="{Binding Population}" />
         <DataGridTextColumn Header="Pop to Ship" Binding="{Binding PopulationToShip}" />
         <DataGridTextColumn Header="Growth" Binding="{Binding PopulationGrowth}" />
-        <!-- Pop en route -->
+        <DataGridTextColumn Header="Pop T1" Binding="{Binding PopulationEnRoute}" />
         <DataGridTextColumn Header="Pop T%" Binding="{Binding PopulationTargetPercent}" IsReadOnly="false"/>
         <DataGridTextColumn Header="Pop %" Binding="{Binding CapacityPercent}" />
         <!-- Terra Delta assumed -->