MOBILE-2354: Fix missing Promise.reject when using createFakeWSError

src/addon/messages/providers/messages.ts

@@ -1033,7 +1033,7 @@ export class AddonMessagesProvider {
         return this.sendMessagesOnline(messages, siteId).then((response) => {
             if (response && response[0] && response[0].msgid === -1) {
                 // There was an error, and it should be translated already.
-                return this.utils.createFakeWSError(response[0].errormessage);
+                return Promise.reject(this.utils.createFakeWSError(response[0].errormessage));
             }
 
             return this.invalidateDiscussionCache(toUserId, siteId).catch(() => {

src/addon/mod/feedback/providers/feedback.ts

@@ -1189,7 +1189,7 @@ export class AddonModFeedbackProvider {
                 };
 
             return site.write('mod_feedback_process_page', params).catch((error) => {
-                return this.utils.createFakeWSError(error);
+                return Promise.reject(this.utils.createFakeWSError(error));
             }).then((response) => {
                 // Invalidate and update current values because they will change.
                 return this.invalidateCurrentValuesData(feedbackId, site.getId()).then(() => {

src/addon/mod/forum/providers/forum.ts

@@ -179,7 +179,7 @@ export class AddonModForumProvider {
             return site.write('mod_forum_add_discussion', params).then((response) => {
                 // Other errors ocurring.
                 if (!response || !response.discussionid) {
-                    return this.utils.createFakeWSError('');
+                    return Promise.reject(this.utils.createFakeWSError(''));
                 } else {
                     return response.discussionid;
                 }
@@ -694,7 +694,7 @@ export class AddonModForumProvider {
 
             return site.write('mod_forum_add_discussion_post', params).then((response) => {
                 if (!response || !response.postid) {
-                    return this.utils.createFakeWSError('');
+                    return Promise.reject(this.utils.createFakeWSError(''));
                 } else {
                     return response.postid;
                 }

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

@@ -812,7 +812,7 @@ export class AddonModGlossaryProvider {
                     return response.entryid;
                 }
 
-                return this.utils.createFakeWSError('');
+                return Promise.reject(this.utils.createFakeWSError(''));
             });
         });
     }

src/addon/mod/survey/providers/survey.ts

@@ -268,7 +268,7 @@ export class AddonModSurveyProvider {
 
             return site.write('mod_survey_submit_answers', params).then((response) => {
                 if (!response.status) {
-                    return this.utils.createFakeWSError('');
+                    return Promise.reject(this.utils.createFakeWSError(''));
                 }
             });
         });