fix(i18n): traduz media_gallery_participant_no_match nos 9 locales [NOVO-B3]

A chave media_gallery_participant_no_match existia apenas em en.json e
vazava ingles em producao nos 9 demais locales (de/es/fr/it/ja/nl/pt/ru/zh),
porque o fallback silencioso do paraglide nao falha o CI.

Traducao alinhada com perspective_no_match, que ja carrega a mesma frase
("No participants match ...") traduzida e revisada em todos os locales.
Placeholder {query} preservado em todos.

Escopo: apenas esta chave. As outras 45 chaves listadas no card
(44 global_search_* e remove_from_library_confirm_body) NAO existem em
main nem em nenhuma branch publicada — dependem da feature de busca
global (GH-67), ainda nao mergeada.

Author: rodrigogs

messages/de.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "Andere",
   "media_gallery_clear_filter": "Filter löschen",
   "media_gallery_participant_search_placeholder": "Suche nach Name oder Nummer...",
+  "media_gallery_participant_no_match": "Kein Teilnehmer stimmt mit \"{query}\" überein",
   "persistence_remember_conversation": "Unterhaltung Merken",
   "persistence_conversation_saved": "Die Unterhaltung wird gespeichert",
   "persistence_conversation_removed": "Unterhaltung aus gespeicherten Sitzungen entfernt",

messages/es.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "Otro",
   "media_gallery_clear_filter": "Limpiar filtro",
   "media_gallery_participant_search_placeholder": "Buscar por nombre o número...",
+  "media_gallery_participant_no_match": "Ningún participante coincide con \"{query}\"",
   "persistence_remember_conversation": "Recordar Conversación",
   "persistence_conversation_saved": "La conversación será recordada",
   "persistence_conversation_removed": "Conversación eliminada de las sesiones guardadas",

messages/fr.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "Autre",
   "media_gallery_clear_filter": "Effacer le filtre",
   "media_gallery_participant_search_placeholder": "Recherche par nom ou numéro...",
+  "media_gallery_participant_no_match": "Aucun participant ne correspond à \"{query}\"",
   "persistence_remember_conversation": "Mémoriser la Conversation",
   "persistence_conversation_saved": "La conversation sera mémorisée",
   "persistence_conversation_removed": "Conversation supprimée des sessions enregistrées",

messages/it.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "Altro",
   "media_gallery_clear_filter": "Cancella filtro",
   "media_gallery_participant_search_placeholder": "Cerca per nome o numero...",
+  "media_gallery_participant_no_match": "Nessun partecipante corrisponde a \"{query}\"",
   "persistence_remember_conversation": "Ricorda Conversazione",
   "persistence_conversation_saved": "La conversazione verrà ricordata",
   "persistence_conversation_removed": "Conversazione rimossa dalle sessioni salvate",

messages/ja.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "他の",
   "media_gallery_clear_filter": "フィルターをクリア",
   "media_gallery_participant_search_placeholder": "名前または番号で検索...",
+  "media_gallery_participant_no_match": "\"{query}\" に一致する参加者がいません",
   "persistence_remember_conversation": "会話を記憶",
   "persistence_conversation_saved": "会話が記憶されます",
   "persistence_conversation_removed": "保存済みセッションから会話が削除されました",

messages/nl.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "Ander",
   "media_gallery_clear_filter": "Filter wissen",
   "media_gallery_participant_search_placeholder": "Zoeken op naam of nummer...",
+  "media_gallery_participant_no_match": "Geen deelnemer komt overeen met \"{query}\"",
   "persistence_remember_conversation": "Gesprek Onthouden",
   "persistence_conversation_saved": "Het gesprek wordt onthouden",
   "persistence_conversation_removed": "Gesprek verwijderd uit opgeslagen sessies",

messages/pt.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "Outro",
   "media_gallery_clear_filter": "Limpar filtro",
   "media_gallery_participant_search_placeholder": "Pesquisar por nome ou número...",
+  "media_gallery_participant_no_match": "Nenhum participante corresponde a \"{query}\"",
   "persistence_remember_conversation": "Lembrar Conversa",
   "persistence_conversation_saved": "A conversa será lembrada",
   "persistence_conversation_removed": "Conversa removida das sessões salvas",

messages/ru.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "Другой",
   "media_gallery_clear_filter": "Очистить фильтр",
   "media_gallery_participant_search_placeholder": "Поиск по имени или номеру...",
+  "media_gallery_participant_no_match": "Нет участников, соответствующих \"{query}\"",
   "persistence_remember_conversation": "Запомнить Разговор",
   "persistence_conversation_saved": "Разговор будет сохранён",
   "persistence_conversation_removed": "Разговор удалён из сохранённых сессий",

messages/zh.json

@@ -242,6 +242,7 @@
   "media_gallery_type_other": "其他",
   "media_gallery_clear_filter": "清除过滤器",
   "media_gallery_participant_search_placeholder": "按名称或编号搜索……",
+  "media_gallery_participant_no_match": "没有参与者匹配 \"{query}\"",
   "persistence_remember_conversation": "记住对话",
   "persistence_conversation_saved": "对话将被记住",
   "persistence_conversation_removed": "对话已从保存的会话中移除",