FeedCard & ListCard cleanups (#4644)

* Extract ListCard from FeedCard

* Export FeedCard.Action and optionally include in ListCard

* Remove list dual usage from most of FeedCard

* Update usages of FeedCard and ListCard

* Add back list purpose logic

* Make Action comp easier to use, clarify list purpose

* Rename Action to SaveButton

src/view/com/feeds/ProfileFeedgens.tsx

@@ -163,7 +163,7 @@ export const ProfileFeedgens = React.forwardRef<
             a.px_lg,
             a.py_lg,
           ]}>
-          <FeedCard.Default type="feed" view={item} />
+          <FeedCard.Default view={item} />
         </View>
       )
     }

src/view/com/lists/ProfileLists.tsx

@@ -18,7 +18,7 @@ import {useAnalytics} from 'lib/analytics/analytics'
 import {FeedLoadingPlaceholder} from '#/view/com/util/LoadingPlaceholder'
 import {EmptyState} from 'view/com/util/EmptyState'
 import {atoms as a, useTheme} from '#/alf'
-import * as FeedCard from '#/components/FeedCard'
+import * as ListCard from '#/components/ListCard'
 import {ErrorMessage} from '../util/error/ErrorMessage'
 import {List, ListRef} from '../util/List'
 import {LoadMoreRetryBtn} from '../util/LoadMoreRetryBtn'
@@ -172,7 +172,7 @@ export const ProfileLists = React.forwardRef<SectionRef, ProfileListsProps>(
               a.px_lg,
               a.py_lg,
             ]}>
-            <FeedCard.Default type="list" view={item} />
+            <ListCard.Default view={item} />
           </View>
         )
       },