Update conversations.php

conversations.php

@@ -2868,12 +2868,15 @@ if (!isUserLoggedIn()) {
             }
 
             getInitials(name) {
-                if (!name) return '?';
+                if (!name || typeof name !== 'string') return '?';
-                const parts = name.split(' ');
+                const parts = name.trim().split(/\s+/);
-                if (parts.length >= 2) {
+                if (parts.length >= 2 && parts[0] && parts[1]) {
-                    return (parts[0][0] + parts[1][0]).toUpperCase();
+                    return ((parts[0][0] || '') + (parts[1][0] || '')).toUpperCase();
                 }
-                return name.substring(0, 2).toUpperCase();
+                if (parts[0]) {
+                    return parts[0].substring(0, 2).toUpperCase();
+                }
+                return '?';
             }
 
             formatTime(dateString) {