blink.cmp removes #+prefix when completing org directives

[seflue]

Bug Description

When using autocompletion for org directives with blink.cmp, the #+ prefix is incorrectly removed from completed directives.

Steps to Reproduce

1. Type #+fi in an org file
2. Trigger completion with blink.cmp
3. Select #+filetype from the completion menu

Expected Behavior

The completion should insert #+filetype

Actual Behavior

The completion inserts just filetype (the #+ prefix is removed)

Additional Info

• This only happens when both # and + are typed
• Typing just # works correctly
• didn't occur with nvim-cmp
• nvim-orgmode version: latest
• blink.cmp version: 1.2.0
• Neovim version: 0.11.1