test: cover delete flows and guard re-entrant mutations

app/src/main/java/space/hackenslacker/kanbn4droid/app/boarddetail/BoardDetailViewModel.kt

@@ -153,6 +153,9 @@ class BoardDetailViewModel(
 
     fun submitRenameList() {
         val snapshot = _uiState.value
+        if (snapshot.isMutating) {
+            return
+        }
         val editingListId = snapshot.editingListId ?: return
         val currentList = snapshot.boardDetail?.lists?.firstOrNull { it.id == editingListId } ?: return
         val trimmedTitle = snapshot.editingListTitle.trim()
@@ -238,6 +241,9 @@ class BoardDetailViewModel(
         mutation: suspend (Set<String>) -> CardBatchMutationResult,
     ) {
         val preMutation = _uiState.value
+        if (preMutation.isMutating) {
+            return
+        }
         val selectedIds = preMutation.selectedCardIds
         if (selectedIds.isEmpty()) {
             return