fix: resize app layout drawer based on content

[jouni]

Description

Allow the layout to react to drawer content size changes when drawer width is auto.

Before fix:

Screen.Recording.2025-05-22.at.15.41.09.mov

After fix:

Screen.Recording.2025-05-22.at.15.41.29.mov

Checklist

• I have read the contribution guide: https://vaadin.com/docs/latest/contributing/pr
• I have added a description following the guideline.
• The issue is created in the corresponding repository and I have referenced it.
• I have added tests to ensure my change is effective and works as intended.
• New and existing tests are passing locally with my change.
• I have performed self-review and corrected misspellings.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[vaadin-bot]

Hi @jouni and @web-padawan, when i performed cherry-pick to this commit to 24.6, i have encountered the following issue. Can you take a look and pick it manually?
Error Message:
Error: Command failed: git cherry-pick 0fb1c7e
error: could not apply 0fb1c7e... fix: resize app layout drawer based on content (#9261)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".