fix checkbox persistence bug

assets/src/Page/Tiers.elm

@@ -7,7 +7,7 @@ import Browser exposing (Document)
 import File exposing (File)
 import File.Download
 import Html exposing (Html, a, button, div, h1, header, input, label, main_, p, span, strong, sup, table, text, thead, th, td, tr)
-import Html.Attributes exposing (class, disabled, for, href, id, placeholder, type_)
+import Html.Attributes exposing (checked, class, disabled, for, href, id, placeholder, type_)
 import Html.Events exposing (onCheck, onClick, onInput)
 import Json.Decode as JD
 
@@ -179,6 +179,7 @@ viewTierListing tagFilterShown selected expanded tierListing search allTags sele
             [ input
                 [ type_ "checkbox"
                 , onCheck <| Select ( uuid, data.id, key )
+                , checked <| Dict.member ( Uuid.toString uuid, data.id ) selected
                 ]
                 []
             ]