fix: prevent new window when shift-clicking links in split view glance, b=closes https://github.com/zen-browser/desktop/issues/11409, p=#11424

Co-authored-by: Nihal <121309701+nihalxkumar@users.noreply.github.com>

src/browser/themes/shared/preferences/zen-preferences.css

@@ -559,6 +559,7 @@ groupbox h2 {
 #helpButton,
 #support-firefox,
 #tabGroupSuggestions,
+#web-appearance-manage-themes-link,
 .mission-message {
   display: none !important;
 }

src/zen/common/styles/zen-sidebar-notification.css

@@ -20,7 +20,7 @@
   min-width: 0;
   border-radius: var(--border-radius-medium);
   box-shadow: var(--zen-sidebar-notification-shadow);
-  font-size: var(--font-size-medium);
+  font-size: 12px;
 }
 
 .zen-sidebar-notification-header {

src/zen/common/sys/ZenActorsManager.sys.mjs

@@ -51,6 +51,9 @@ let JSWINDOWACTORS = {
         keydown: {
           capture: true,
         },
+        click: {
+          capture: true,
+        },
       },
     },
     allFrames: true,

src/zen/downloads/ZenDownloadAnimation.mjs

@@ -2,7 +2,6 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-import { Downloads } from 'resource://gre/modules/Downloads.sys.mjs';
 import {
   nsZenDOMOperatedFeature,
   nsZenMultiWindowFeature,
@@ -24,6 +23,7 @@ class nsZenDownloadAnimation extends nsZenDOMOperatedFeature {
 
   async #setupDownloadListeners() {
     try {
+      const Downloads = window.Downloads;
       const list = await Downloads.getList(Downloads.ALL);
       list.addView({
         onDownloadAdded: this.#handleNewDownload.bind(this),

src/zen/glance/actors/ZenGlanceChild.sys.mjs

@@ -86,14 +86,21 @@ export class ZenGlanceChild extends JSWindowActorChild {
     this.contentWindow.addEventListener('mousemove', this.mousemoveCallback, { once: true });
   }
 
-  on_mouseup(event) {
+  on_mouseup() {
+    if (this.#glanceTarget) {
+      // Don't clear the glance target here, we need it in the click handler
+      // See issue https://github.com/zen-browser/desktop/issues/11409
+      this.#openGlance(this.#glanceTarget);
+    }
+    this.contentWindow.removeEventListener('mousemove', this.mousemoveCallback);
+  }
+
+  on_click(event) {
     if (this.#glanceTarget) {
       event.preventDefault();
       event.stopPropagation();
-      this.#openGlance(this.#glanceTarget);
       this.#glanceTarget = null;
     }
-    this.contentWindow.removeEventListener('mousemove', this.mousemoveCallback);
   }
 
   mousemoveCallback() {

surfer.json

@@ -19,7 +19,7 @@
       "brandShortName": "Zen",
       "brandFullName": "Zen Browser",
       "release": {
-        "displayVersion": "1.17.9b",
+        "displayVersion": "1.17.10b",
         "github": {
           "repo": "zen-browser/desktop"
         },