Allow null Reacterable in Reactant facade

[antonkomarev]

Motivation

Because auth()->user() can return null we can't call isReactedBy method without checking for the first argument is not null.

@if (auth()->check() && $post->viaLoveReactant()->isReactedBy(auth()->user(), 'Like'))

We can check for the null value inside of the facade method.

@if ($post->viaLoveReactant()->isReactedBy(auth()->user(), 'Like'))

Current Implementation

$reactantFacade->isReactedBy(
  Reacterable $reacterable,
  ?string $reactionTypeName = null
);

$reactantFacade->isNotReactedBy(
  Reacterable $reacterable,
  ?string $reactionTypeName = null
);

New Implementation

$reactantFacade->isReactedBy(
  ?Reacterable $reacterable = null,
  ?string $reactionTypeName = null
);

$reactantFacade->isNotReactedBy(
  ?Reacterable $reacterable = null,
  ?string $reactionTypeName = null
);