refactor: improve Svelte components and enhance user experience

- Updated various Svelte components to improve code readability and maintainability.
- Standardized button classes across components for a consistent user interface.
- Enhanced error handling and user feedback in modals and forms.
- Cleaned up unnecessary imports and optimized component structure for better performance.

apps/web/src/lib/components/chat/SalaReuniaoManager.svelte

@@ -212,12 +212,7 @@
 					{conversa()?.nome || 'Sem nome'}
 				</p>
 			</div>
-			<button
-				type="button"
-				class="btn btn-ghost btn-sm btn-circle"
-				onclick={onClose}
-				aria-label="Fechar"
-			>
+			<button type="button" class="btn btn-sm btn-circle" onclick={onClose} aria-label="Fechar">
 				<X class="h-5 w-5" />
 			</button>
 		</div>