fix: version 2.8.6 -- flecha roja mas visible para ocultar logos de marca

El boton "-" para colapsar el catalogo de marcas casi no se distinguia; se reemplaza por una
flecha hacia arriba en rojo (ChevronUp), mucho mas clara.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog - project.linkedcorp.net
 
+## [2.8.6] - 2026-10-01
+### Changed
+- El botón para ocultar el catálogo de logos de marca casi no se distinguía (un "−" chico) —
+  ahora es una flecha roja apuntando hacia arriba, mucho más visible.
+
 ## [2.8.5] - 2026-10-01
 ### Fixed
 - Faltaba la forma de volver a ocultar el catálogo de logos de marca una vez abierto con "+" —

VERSION

@@ -1 +1 @@
-2.8.5
+2.8.6

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "project-linkedcorp-backend",
-  "version": "2.8.5",
+  "version": "2.8.6",
   "private": true,
   "type": "module",
   "main": "src/server.js",

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "project-linkedcorp-frontend",
   "private": true,
-  "version": "2.8.5",
+  "version": "2.8.6",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/pages/Contrasenas/ContrasenasPage.jsx

@@ -1,7 +1,7 @@
 import { useEffect, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import {
-  Plus, Minus, Trash2, Eye, EyeOff, Copy, Pencil, Save, X, RefreshCw, ShieldAlert, MoreVertical,
+  Plus, ChevronUp, Trash2, Eye, EyeOff, Copy, Pencil, Save, X, RefreshCw, ShieldAlert, MoreVertical,
   Mail, Globe, Server, Database, Cloud, Shield, Lock, Wifi, CreditCard, Building2, Printer,
   Smartphone, KeyRound, HardDrive, Router, UserCog,
 } from 'lucide-react';
@@ -366,11 +366,11 @@ export default function ContrasenasPage() {
                   <span className="text-muted" style={{ fontSize: '.72rem' }}>{t('vault_icon_more')}</span>
                   <button
                     type="button"
-                    className="icon-btn"
+                    className="icon-btn vault-icon-collapse-btn"
                     title={t('vault_icon_less')}
                     onClick={() => setShowBrandIcons(false)}
                   >
-                    <Minus size={14} />
+                    <ChevronUp size={18} />
                   </button>
                 </div>
                 <div className="vault-icon-picker vault-icon-picker-brands">

frontend/src/styles/app.css

@@ -387,6 +387,8 @@ table.list-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
 
 .vault-icon-picker { display: flex; flex-wrap: wrap; gap: 8px; }
 .vault-icon-brands-header { display: flex; align-items: center; justify-content: space-between; padding-top: 8px; margin-top: 4px; border-top: 1px dashed rgb(var(--line)); }
+.vault-icon-collapse-btn { color: rgb(var(--danger)); }
+.vault-icon-collapse-btn:hover { background: rgb(var(--danger) / .15); }
 .vault-icon-picker-brands { max-height: 150px; overflow-y: auto; margin-top: 6px; }
 .vault-icon-option {
   width: 36px; height: 36px; border-radius: 999px; border: 1px solid rgb(var(--line));