Environment

TeXstudio: 4.8.2
Qt: 6.7.2
OS: Windows 11 23H2
TeX distribution: miktex

Expected behavior

Aligning the columns of a table based on the tblr environment should work without adding an extra ampersand (&), resulting in an extra column.

Actual behavior

The table in the repro below results in the following additional ampersand getting added:

How to reproduce

Select the columns in the table below and choose LaTeX -> Manipulate Table -> Align Columns

\documentclass[letterpaper]{report}
\usepackage[sfdefault]{roboto}
\usepackage[table,dvipsnames,x11names]{xcolor}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[left=0.5in,right=0.5in,top=0.5in,bottom=0.65in]{geometry}
\usepackage{tabularray}
\begin{document}
\begin{table}[H]
  \begin{tblr}{
      colspec = {X[7,r,m]X[1,c,m]X[7,l,m]},
      width = \linewidth,
      row{1} = {c,font=\sffamily\bfseries,bg=azure5,fg=white},
      hlines = {azure5,solid,0.4pt},
      vlines = {azure5,solid,0.4pt},
      vline{2-3} = {1}{white,solid,0.4pt},
      row{even} = {bg=azure9}
    }
    ColA & ColB & ColC \\
    aaaaaaa & bbb & ccc \\
    aaaa & bbbbb & ccccccc \\
    aaaaaaaa & bbbbbbbb & ccccccc \\
    aaaaaa & bbbb & cccccc \\
    aa & bb & ccccc \\
    a & b & cc \\
    aaaaaaa & bbbbbb & cccc \\
    aaaa & bbbbb & c \\
    aaaaaaaaa & bbbbbbb & cccccccc \\
    aa & bbb & ccc
  \end{tblr}
  \caption{My Caption}\label{tab:my-lable}
\end{table}
\end{document}