fix: add validation for project name length in ProjectList component

[weiawesome]

Description

When creating a project, an error occurs if the project name has fewer than 3 characters.
This PR adds a validation check and alert to prevent submission of too-short project names.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Tried creating projects with 1–2 character names → alert is shown, creation prevented.
• Tried creating projects with between 3 and 25 character names → correct.

Checklist:

• The title of the PR states
  what changed and the related issues number (used for the release note).
• Does this PR require documentation updates?
• I've updated documentation as required by this PR.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas

Snapshot explanation

1. Create a project with 2 character

2. Redirect to error page 3. Similar alert message in creating app

[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