Switch a few widgets to ui refresh modes

More closely matches native behavior on REAGL devices.
Closing those widgets should still trigger a partial refresh though,
because we usually get back to the reader, and text, so we want REAGL
;).

frontend/apps/reader/modules/readerfooter.lua

@@ -346,7 +346,7 @@ function ReaderFooter:onTapFooter(arg, ges)
     else
         self:updateFooterPos()
     end
-    UIManager:setDirty(self.view.dialog, "partial", self[1][1][1].dimen)
+    UIManager:setDirty(self.view.dialog, "ui", self[1][1][1].dimen)
     return true
 end