fix(core): skip reset presence selection on PTE blur (#6511)

packages/sanity/src/core/form/inputs/PortableText/PortableTextInput.tsx

@@ -183,12 +183,6 @@ export function PortableTextInput(props: PortableTextInputProps): ReactNode {
     })
   }, [onPathFocus, portableTextMemberItems])
 
-  const resetSelectionPresence = useCallback(() => {
-    onPathFocus(props.path, {
-      selection: null,
-    })
-  }, [onPathFocus, props.path])
-
   const nextSelectionRef = useRef<EditorSelection | null>(null)
 
   // Handle editor changes
@@ -216,11 +210,6 @@ export function PortableTextInput(props: PortableTextInputProps): ReactNode {
         case 'blur':
           onBlur(change.event)
           setHasFocusWithin(false)
-
-          // When the editor blurs, we reset the presence selection
-          // in order to remove the presence cursor for the current user
-          // since they no longer have an active selection in the editor.
-          resetSelectionPresence()
           break
         case 'undo':
         case 'redo':
@@ -241,15 +230,7 @@ export function PortableTextInput(props: PortableTextInputProps): ReactNode {
         onEditorChange(change, editorRef.current)
       }
     },
-    [
-      editorRef,
-      onEditorChange,
-      onChange,
-      setFocusPathFromEditorSelection,
-      onBlur,
-      resetSelectionPresence,
-      toast,
-    ],
+    [editorRef, onEditorChange, onChange, setFocusPathFromEditorSelection, onBlur, toast],
   )
 
   useEffect(() => {