Remove emoji prefixes from search and add tabs label

frontend/index.html

@@ -4673,7 +4673,7 @@ curl -X POST https://votre-serveur.com/webhook \
                     data-lucide="folder-open"
                     style="width: 20px; height: 20px"
                 ></i>
-                <span class="mt-label">Explorer</span>
+                <span class="mt-label">settings.search</span>
             </button>
             <button
                 class="mt-btn"
@@ -4703,7 +4703,7 @@ curl -X POST https://votre-serveur.com/webhook \
                 <span class="mt-badge" id="mt-tab-count" style="display: none"
                     >0</span
                 >
-                <span class="mt-label" data-i18n="help.nav_tabs">Onglets</span>
+                <span class="mt-label" data-i18n="settings.tabs">Onglets</span>
             </button>
         </nav>
 

frontend/locales/en.json

@@ -1298,7 +1298,8 @@
   "settings.reindex": "Force reindex",
   "settings.restart_badge": "Restart required",
   "settings.save": "Save",
-  "settings.search": "🔍 Search",
+  "settings.search": "Search",
+  "settings.tabs": "Tabs",
   "settings.search_placeholder": "Search...",
   "settings.sync": "🔄 Sync",
   "settings.themes": "🎨 Themes",

frontend/locales/fr.json

@@ -1298,7 +1298,8 @@
   "settings.reindex": "Forcer réindexation",
   "settings.restart_badge": "Redémarrage requis",
   "settings.save": "Sauvegarder",
-  "settings.search": "🔍 Recherche",
+  "settings.search": "Recherche",
+  "settings.tabs": "Tabs",
   "settings.search_placeholder": "Rechercher...",
   "settings.sync": "🔄 Synchronisation",
   "settings.themes": "🎨 Thèmes",