fix: 🐛 (e2e) - fix save button selector

[wongtonyb]

Description

There's a conflict in the tests when looking for the Save button when the Project Name happens to include the word 'Save' in it.

// Updating Selector

// old
await this.page.getByRole('button', { name: 'Save' }).click();

// new
await this.page.getByRole('button', { name: 'Save', exact: true }).click();

https://hashicorp.atlassian.net/browse/ICU-18231

Screenshots (if appropriate)

How to Test

1. boundary: enos scenario launch e2e_ui_aws builder:local
2. boundary: bash scripts/test_e2e_env.sh -> copy scenario e2e variable outputs
3. paste into terminal of boundary-ui
4. pnpm admin:ce:aws

Checklist

• I have added before and after screenshots for UI changes
• I have added JSON response output for API changes
• I have added steps to reproduce and test for bug fixes in the description
• I have commented on my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I have added a11y-tests label to run a11y audit tests if needed

PCI review checklist

• I have documented a clear reason for, and description of, the change I am making.
• If applicable, I've documented a plan to revert these changes if they require more than reverting the pull request.
• If applicable, I've documented the impact of any changes to security controls.
  Examples of changes to security controls include using new access control methods, adding or removing logging pipelines, etc.

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Project	Deployment	Review	Updated (UTC)
boundary-ui	Ready	Preview, Comment	Dec 23, 2025 5:16pm
boundary-ui-desktop	Ready	Preview, Comment	Dec 23, 2025 5:16pm