Amazon Q inline tutorials do not dismiss

## Problem

These Amazon Q inline tutorial annotations do not go away after interactions:

## Steps to reproduce the issue

1. Highlight any text in VSCode
2. Observe the tutorial annotation appears
3. Start the inline chat and dismiss and/or interact with the inline chat
4. Highlight more text, observe the tutorial annotation still appears

Other attempted troubleshooting steps:

- Restarting VSCode
- Reinstalled extension & completed all onboarding checkboxes
- Logout & Login
- Disabled VPN
- Enabled telemetry & Share Content With AWS
- Suppressing all prompt settings

## System details (run `AWS: About` and/or `Amazon Q: About`)

- OS: macOS 15.6.1 (Sequoia)
- Visual Studio Code version: 1.105.1
- AWS Toolkit version: 1.19.1
- Amazon Q version: 1.102.0

This is an AWS Builder ID account with Q Developer Pro subscription.

Reproduce the issue in VS Code using the reported macOS, VS Code, AWS Toolkit, and Amazon Q versions: highlight text, open and dismiss or interact with inline chat, then highlight more text. Trace the Amazon Q inline tutorial annotation handling from the reproduction entry point. Done means the annotation no longer reappears after the relevant interaction.

Written by the indexing model from the issue text.