allow pinning on trackpad + respect allowJs

bbcode/UrlTagView.vue

@@ -7,7 +7,7 @@
             rel="nofollow noreferrer noopener"
             target="_blank"
             class="user-link"
-            @click="handleClick()"
+            @click="handleClick"
             @mouseover.prevent="show()"
             @mouseenter.prevent="show()"
             @mouseleave.prevent="dismiss()"
@@ -66,8 +66,13 @@
             EventBus.$emit('imagepreview-toggle-stickyness', {url: this.url});
         }
 
-        handleClick(): void {
-            this.dismiss(true);
+        handleClick(e: MouseEvent): void {
+            if (e.altKey) {
+                this.toggleStickyness();
+                e.preventDefault();
+            } else {
+                this.dismiss(true);
+            }
         }
     }
 </script>

chat/preview/ImagePreview.vue

@@ -560,6 +560,8 @@
 
 
         async executeJavaScript(js: string | undefined, context: string = 'unknown', logDetails?: any): Promise<any> {
+            if (!this.runJs) return;
+
             const webview = this.getWebview();
 
             if (!js) {