Fix typo

Closes #2118
Closes #2119

Author: Chalarangelo

src/models/contentModel.js

@@ -144,7 +144,7 @@ export default class ContentModel extends Model {
 
   // Embeddable
 
-  get isEmeddable() {
+  get isEmbeddable() {
     return this.isSnippet ? this.isPublished : true;
   }
 

src/models/snippet.js

@@ -72,7 +72,7 @@ export default class Snippet extends ContentModel {
           const { ref, hash, title } = match.slice(-1)[0] ?? {};
           if (!ref) return;
           const embeddable = ContentModel.searchContentModels(ref);
-          return embeddable?.isEmeddable
+          return embeddable?.isEmbeddable
             ? embeddable.asEmbedding(title, hash)
             : '';
         }