MOBILE-2825 glossary: Delete temporary files after saving entry

src/addon/mod/glossary/pages/edit/edit.ts

@@ -232,6 +232,9 @@ export class AddonModGlossaryEditPage implements OnInit {
                     attach, timecreated, undefined, this.entry, !this.attachments.length, !this.glossary.allowduplicatedentries);
             }
         }).then((entryId) => {
+             // Delete the local files from the tmp folder.
+             this.uploaderProvider.clearTmpFiles(this.attachments);
+
             if (entryId) {
                 // Data sent to server, delete stored files (if any).
                 this.glossaryHelper.deleteStoredFiles(this.glossary.id, this.entry.concept, timecreated);

src/addon/mod/glossary/providers/helper.ts

@@ -29,7 +29,7 @@ export class AddonModGlossaryHelperProvider {
             private glossaryOffline: AddonModGlossaryOfflineProvider) {}
 
     /**
-     * Delete stored attachment files for a new discussion.
+     * Delete stored attachment files for a new entry.
      *
      * @param  {number} glossaryId  Glossary ID.
      * @param  {string} entryName   The name of the entry.