client: Remove errors in log when changing a setting

src/public/app/services/server.js

@@ -135,7 +135,11 @@ function ajax(url, method, data, headers, silentNotFound) {
                 });
             },
             error: async jqXhr => {
-                if (silentNotFound && jqXhr.status === 404) {
+                if (jqXhr.status === 0) {
+                    // don't report requests that are rejected by the browser, usually when the user is refreshing or going to a different page.
+                    rej("rejected by browser");
+                    return;
+                } else if (silentNotFound && jqXhr.status === 404) {
                     // report nothing
                 } else {
                     await reportError(method, url, jqXhr.status, jqXhr.responseText);

src/public/app/widgets/note_context_aware_widget.js

@@ -57,7 +57,17 @@ class NoteContextAwareWidget extends BasicWidget {
     async refresh() {
         if (this.isEnabled()) {
             this.toggleInt(true);
+
+            try {
                 await this.refreshWithNote(this.note);
+            } catch (e) {
+                // Ignore errors when user is refreshing or navigating away.
+                if (e === "rejected by browser") {
+                    return;
+                }
+
+                throw e;
+            }
         }
         else {
             this.toggleInt(false);