Use consistent avatar shape/defaults for labelers (#3257)

* Add type: labeler to easy spots

* Search and ProfileCard

* Filter out of suggested follows

* ComposeReplyTo

* PReviewable avatar in posts

* Lists

* PostMeta

* Notifications

* Autocomplete

* Straggler

* Bump sdk

src/view/com/modals/ListAddRemoveUsers.tsx

@@ -231,7 +231,11 @@ function UserResult({
           width: 54,
           paddingLeft: 4,
         }}>
-        <UserAvatar size={40} avatar={profile.avatar} />
+        <UserAvatar
+          size={40}
+          avatar={profile.avatar}
+          type={profile.associated?.labeler ? 'labeler' : 'user'}
+        />
       </View>
       <View
         style={{

src/view/com/modals/SwitchAccount.tsx

@@ -45,7 +45,11 @@ function SwitchAccountCard({account}: {account: SessionAccount}) {
   const contents = (
     <View style={[pal.view, styles.linkCard]}>
       <View style={styles.avi}>
-        <UserAvatar size={40} avatar={profile?.avatar} />
+        <UserAvatar
+          size={40}
+          avatar={profile?.avatar}
+          type={profile?.associated?.labeler ? 'labeler' : 'user'}
+        />
       </View>
       <View style={[s.flex1]}>
         <Text type="md-bold" style={pal.text} numberOfLines={1}>

src/view/com/modals/UserAddRemoveLists.tsx

@@ -180,7 +180,7 @@ function ListItem({
         },
       ]}>
       <View style={styles.listItemAvi}>
-        <UserAvatar size={40} avatar={list.avatar} />
+        <UserAvatar size={40} avatar={list.avatar} type="list" />
       </View>
       <View style={styles.listItemContent}>
         <Text