fix(list-keymap): early exit when selection is not collapsed (#5810)

Author: juraj98

.changeset/chatty-monkeys-hear.md

@@ -0,0 +1,5 @@
+---
+"@tiptap/extension-list-keymap": patch
+---
+
+Fix backspace behavior when selection is not collapsed

packages/extension-list-keymap/src/listHelpers/handleBackspace.ts

@@ -12,6 +12,12 @@ export const handleBackspace = (editor: Editor, name: string, parentListTypes: s
     return true
   }
 
+  // if the selection is not collapsed
+  // we can rely on the default backspace behavior
+  if (editor.state.selection.from !== editor.state.selection.to) {
+    return false
+  }
+
   // if the current item is NOT inside a list item &
   // the previous item is a list (orderedList or bulletList)
   // move the cursor into the list and delete the current item