Clear icon shows in MultiSelect when value is empty array

[ahoek]

Describe the bug

When the MultiSelect component uses the show-clear option, the clear button is still shown if the value is an empty array.

Pull Request Link

No response

Reason for not contributing a PR

• Lack of time
• Unsure how to implement the fix/feature
• Difficulty understanding the codebase
• Other

Other Reason

No response

Reproducer

https://stackblitz.com/edit/primevue-4-vite-issue-template-l5x4r9la?file=src%2FApp.vue

Environment

mac

Vue version

3.5.13

PrimeVue version

4.2.5

Node version

22.11.0

Browser(s)

No response

Steps to reproduce the behavior

Reproduction:

• Use a MultiSelect with a show-clear property
• The initial value is null, so the clear icon is not show
• Select and deselect an option
• The value is now [], and the clear icon is shown

Expected behavior

Expected:

• The clear icon is not shown if the value is an empty array.