fix: using google docs viewer to render pdf

frontend/src/components/Assessments.vue

@@ -160,7 +160,7 @@ const getRowRoute = (row) => {
 		}
 	} else {
 		return {
-			name: 'Quiz',
+			name: 'QuizPage',
 			params: {
 				quizID: row.assessment_name,
 			},

frontend/src/components/LessonContent.vue

@@ -37,7 +37,7 @@
 			<iframe
 				:src="getPDFSource(block)"
 				width="100%"
-				height="400"
+				height="700px"
 				frameborder="0"
 				allowfullscreen
 			></iframe>

frontend/src/utils/upload.js

@@ -56,9 +56,11 @@ export class Upload {
 			app.mount(this.wrapper)
 			return
 		} else if (file.file_type == 'PDF') {
-			this.wrapper.innerHTML = `<iframe src="${encodeURI(
+			this.wrapper.innerHTML = `<iframe src="https://docs.google.com/viewer?url=${
+				window.location.origin
+			}${encodeURI(
 				file.file_url
-			)}#toolbar=0" width='100%' height='700px' class="mb-4"></iframe>`
+			)}&embedded=true" width='100%' height='700px' class="mb-4" type="application/pdf"></iframe>`
 			return
 		} else {
 			this.wrapper.innerHTML = `<img class="mb-4" src=${encodeURI(