feat: enhance chat functionality with new conversation and meeting room features

- Added support for creating and managing group conversations and meeting rooms, allowing users to initiate discussions with multiple participants.
- Implemented a modal for creating new conversations, including options for individual, group, and meeting room types.
- Enhanced the chat list component to filter and display conversations based on type, improving user navigation.
- Introduced admin functionalities for meeting rooms, enabling user management and role assignments within the chat interface.
- Updated backend schema and API to accommodate new conversation types and related operations, ensuring robust data handling.

apps/web/src/routes/(dashboard)/ti/notificacoes/+page.svelte

@@ -727,12 +727,12 @@
               "enviando",
               "Criando/buscando conversa...",
             );
-            const conversaResult = await client.mutation(
+            const conversaId = await client.mutation(
               api.chat.criarOuBuscarConversaIndividual,
               { outroUsuarioId: destinatario._id as Id<"usuarios"> },
             );
 
-            if (conversaResult.conversaId) {
+            if (conversaId) {
               const mensagem = usarTemplate
                 ? templateSelecionado?.corpo || ""
                 : mensagemPersonalizada;
@@ -748,7 +748,7 @@
                 resultadoChat = await client.mutation(
                   api.chat.agendarMensagem,
                   {
-                    conversaId: conversaResult.conversaId,
+                    conversaId: conversaId,
                     conteudo: mensagem,
                     agendadaPara: agendadaPara,
                   },
@@ -773,7 +773,7 @@
                   "Enviando mensagem...",
                 );
                 resultadoChat = await client.mutation(api.chat.enviarMensagem, {
-                  conversaId: conversaResult.conversaId,
+                  conversaId: conversaId,
                   conteudo: mensagem,
                   tipo: "texto",
                   permitirNotificacaoParaSiMesmo: true,
@@ -982,12 +982,12 @@
                   "enviando",
                   "Processando...",
                 );
-                const conversaResult = await client.mutation(
+                const conversaId = await client.mutation(
                   api.chat.criarOuBuscarConversaIndividual,
                   { outroUsuarioId: destinatario._id as Id<"usuarios"> },
                 );
 
-                if (conversaResult.conversaId) {
+                if (conversaId) {
                   // Para templates, usar corpo direto (o backend já faz substituição via email)
                   // Para mensagem personalizada, usar diretamente
                   const mensagem = usarTemplate
@@ -996,7 +996,7 @@
 
                   if (agendadaPara) {
                     await client.mutation(api.chat.agendarMensagem, {
-                      conversaId: conversaResult.conversaId,
+                      conversaId: conversaId,
                       conteudo: mensagem,
                       agendadaPara: agendadaPara,
                     });
@@ -1013,7 +1013,7 @@
                     );
                   } else {
                     await client.mutation(api.chat.enviarMensagem, {
-                      conversaId: conversaResult.conversaId,
+                      conversaId: conversaId,
                       conteudo: mensagem,
                       tipo: "texto",
                       permitirNotificacaoParaSiMesmo: true,