formalized addr bar in memory view, complete first pass of memory view peek types, various fixes

src/ui/ui_core.h

@@ -103,6 +103,7 @@ typedef enum UI_EventActionSlot
   UI_EventActionSlot_Accept,
   UI_EventActionSlot_Cancel,
   UI_EventActionSlot_Edit,
+  UI_EventActionSlot_FocusMenu,
   UI_EventActionSlot_COUNT
 }
 UI_EventActionSlot;