Improve relationship UI handling (#42)

* Added tabbed view; improved relationships for media profile

* Adds new maybe_limit method for queries

* Improves UI for media items, associated tasks

lib/pinchflat_web/components/core_components.ex

@@ -587,6 +587,7 @@ defmodule PinchflatWeb.CoreComponents do
     attrs =
       Enum.filter(assigns.map, fn
         {_, %{__struct__: _}} -> false
+        {_, [%{__meta__: _} | _]} -> false
         _ -> true
       end)