MultiSelect: 'v-if="filter"' erroneously removed in v4

[goldengecko]

Describe the bug

Line 89 should have v-if="filter" on the IconField element. It used to be there in the equivalent code in v3.

The impact of it not being there is that you can't display the select/deselect all checkbox without also showing the search field.

Reproducer

N/A

PrimeVue version

4.0.0-rc2

Vue version

3.x

Language

TypeScript

Build / Runtime

Vite

Browser(s)

No response

Steps to reproduce the behavior

Create a MultiSelect and don't add the filter option. The toggleShowAll checkbox will appear as expected, but the filter textfield will also be shown which is incorrect.

Expected behavior

Filter should only be shown when the filter attribute is set.

[tugcekucukoglu]

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