fixed next lesson code

Author: nikiquickie

src/app/pages/user/course/course.component.html

@@ -74,6 +74,7 @@
 					<app-lesson
 						*ngIf="show === 'lesson' && lesson && certificate"
 						[certificate]="certificate"
+						(nextLesson)="nextLesson()"
 						[lesson]="lesson"
 						[tests]="tests"
 					></app-lesson>

src/app/pages/user/course/lesson/lesson.component.ts

@@ -1,4 +1,4 @@
-import { Component, Input } from '@angular/core';
+import { Component, EventEmitter, Input, Output } from '@angular/core';
 import { Value } from 'src/app/core/modules/input/input.component';
 import { TranslateService } from 'src/app/core/modules/translate/translate.service';
 import { Schoolcertificate } from 'src/app/modules/schoolcertificate/interfaces/schoolcertificate.interface';
@@ -22,6 +22,8 @@ export class LessonComponent {
 
 	@Input() tests: Schooltest[] = [];
 
+	@Output() nextLesson = new EventEmitter();
+
 	constructor(
 		private _translate: TranslateService,
 		private _alert: AlertService,
@@ -44,6 +46,8 @@ export class LessonComponent {
 			.subscribe((resp: Schoolcertificate) => {
 				if (resp) {
 					this._core.copy(resp, this.certificate);
+
+					this.nextLesson.emit();
 				} else {
 					this._alert.warning({
 						text: this._translate.translate(