Refactor ProgressIndicatorStyle record from icon to containerFunction

example/src/Data/Style/ElmUiFramework.elm

@@ -286,7 +286,7 @@ sortTable =
 
 progressIndicatorStyle : ProgressIndicatorStyle msg
 progressIndicatorStyle =
-    { icon =
+    { containerFunction =
         \maybeProgress ->
             case maybeProgress of
                 Nothing ->

src/Internal/ProgressIndicator.elm

@@ -9,4 +9,4 @@ circularProgressIndicator :
     -> Maybe Float
     -> Element msg
 circularProgressIndicator style maybeProgress =
-    style.icon maybeProgress
+    style.containerFunction maybeProgress

src/Widget/Style.elm

@@ -136,5 +136,5 @@ type alias LayoutStyle msg =
 
 {-| -}
 type alias ProgressIndicatorStyle msg =
-    { icon : Maybe Float -> Element msg
+    { containerFunction : Maybe Float -> Element msg
     }

src/Widget/Style/Material.elm

@@ -1313,7 +1313,7 @@ determinateCircularIcon color attribs progress =
 
 progressIndicator : Palette -> ProgressIndicatorStyle msg
 progressIndicator palette =
-    { icon =
+    { containerFunction =
         \maybeProgress ->
             case maybeProgress of
                 Nothing ->

src/Widget/Style/Template.elm

@@ -352,7 +352,7 @@ progressIndicator string =
 -}
 progressIndicator : String -> ProgressIndicatorStyle msg
 progressIndicator string =
-    { icon = (\_ -> icon <| string ++ ":icon")
+    { containerFunction = (\_ -> icon <| string ++ ":icon")
     }