変換前文字列にnを挿入しようとすると挙動がおかしい

[a-long-time-beginner]

Description

文字列は何でも良いのですが、例えばaiueoとローマ字入力するとあいうえおと表示されるわけですが
この状態でどこかにnを挿入しようとするとそこには挿入されず、あいうえおの文字列は消えてしまいnだけが表示されます
試行錯誤して、mozcのサジェスト機能を無効にすると正常に動作することがわかりました

Expected behavior

A clear and concise description of what you expected to happen.

Actual behavior

A clear and concise description of what you actually got.

Screenshots

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Version or commit-id

[e.g. Mozc-2.28.4960.100+24.11.oss or d50a8b9]
You can get the version string by converting "Version" or "ばーじょん".
Mozc-2.28.4715.102+24.11.oss

Environment

• OS: [Lubuntu24.04]
• IMF (for Linux) [Ibus, Fcitx,Fcitx5]
• Related Applications [chrome]

Investigations

• Whether this issue happens on both Ibus and other IMF (e.g. Fcitx, uim).
  • yes
• Whether this issue happens on other IMEs (e.g. Anthy, SKK).
  • N/A
• What applications this issue happens on (e.g. Chromium, gedit).
  +chrome
• What applications this issue does not happen on (e.g. Chromium, gedit).
  • not-found
• (optional) What versions or commit-ids this issue did not happen on
  (e.g. Mozc-2.28.4960.100+24.11.oss).
  • no-investigation.

Additional context

Add any other context about the problem here.