Animation "none" not working for p-skeleton

[ckkz-it]

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Current behavior
When you set animation="none" for the p-skeleton component it doesn't work. It adds the wrong css class to the component, therefore animation isn't being disabled.

Expected behavior
Setting animation="none" to the p-skeleton component should disable animation.

Minimal reproduction of the problem with instructions

What is the motivation / use case for changing the behavior?
It doesn't work like expected without a fix.

Please tell us about your environment:

• Angular version: 11.0.9

• PrimeNG version: 11.2.0

• Browser: all

• Language: all

Adding css class to a component

primeng/src/app/components/skeleton/skeleton.ts

Line 36 in a216de8

'p-skeleton-animation-none': this.animation === 'none'

The css class definition (mismatch)

primeng/src/app/components/skeleton/skeleton.css

Line 22 in a216de8

.p-skeleton-none::after {

p-skeleton-animation-none !== p-animation-none