Fix compilation: AvatarPile and smart casts

Author: Bot

ui/src/commonMain/kotlin/dev/materii/gloom/ui/screen/repo/component/CommitItem.kt

@@ -90,12 +90,13 @@ fun CommitItem(
             val authorAvatar = author?.avatarUrl
             val committerAvatar = committer?.avatarUrl
 
+            val avatars = buildList {
+                authorAvatar?.let { add(it) }
+                if (isUniqueCommiter) committerAvatar?.let { add(it) }
+            }.toPersistentList()
+
             AvatarPile(
-                avatars = if (isUniqueCommiter) {
-                    persistentListOfNotNull(authorAvatar, committerAvatar)
-                } else {
-                    persistentListOfNotNull(authorAvatar)
-                }
+                avatars = avatars
             )
 
             Text(

ui/src/commonMain/kotlin/dev/materii/gloom/ui/screen/repo/viewmodel/RepoDetailsViewModel.kt

@@ -61,13 +61,16 @@ class RepoDetailsViewModel(
         // Optimistic update
         updateStarDetails(starred = !hasStarred)
 
+        val detailsId = details?.id
+        if (detailsId == null) return
+
         screenModelScope.launch {
             isStarLoading = true
 
             if (hasStarred) {
-                gql.unstarRepo(details.id)
+                gql.unstarRepo(detailsId)
             } else {
-                gql.starRepo(details.id)
+                gql.starRepo(detailsId)
             }.ifUnsuccessful {
                 // Revert optimistic update
                 updateStarDetails(starred = hasStarred)