fix(toast): "key" must be optional parameter in typescript definitions

[avevlad]

Hey!

Flow type:

baseweb/src/toast/toaster.js

Lines 118 to 120 in 7ebcc1c

	clear = (key?: React.Key) => {
	key === undefined ? this.clearAll() : this.dismiss(key);
	};

Flow type:

baseweb/src/toast/toaster.js

Lines 287 to 295 in 7ebcc1c

	clear: function(key?: ?React.Key): void {
	const toasterInstance = this.getRef();
	if (toasterInstance) {
	toasterInstance.clear(key);
	} else if (__DEV__) {
	// eslint-disable-next-line no-console
	console.error('No ToasterContainer is mounted yet.');
	}
	},

Description

Typescript error:

Argument of type 'undefined' is not assignable to parameter of type 'string | number'.ts(2345)

Scope

toast

Thanks!

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