fix(configuration-database): resolve ConfigurationDatabase-001 — remove dead child-template query in GetTemplateWithChildrenAsync

src/ScadaLink.ConfigurationDatabase/Repositories/TemplateEngineRepository.cs

@@ -27,17 +27,15 @@ public class TemplateEngineRepository : ITemplateEngineRepository
             .FirstOrDefaultAsync(t => t.Id == id, cancellationToken);
     }
 
+    /// <summary>
+    /// Loads a template together with its child members — Attributes, Alarms,
+    /// Scripts and Compositions — eager-loaded so callers get the full template
+    /// aggregate in a single round-trip. "Children" here refers to the template's
+    /// member collections, not derived/sub templates.
+    /// </summary>
     public async Task<Template?> GetTemplateWithChildrenAsync(int id, CancellationToken cancellationToken = default)
     {
-        var template = await GetTemplateByIdAsync(id, cancellationToken);
-        if (template == null) return null;
-
-        // Load all templates that have this template as parent
-        var children = await _context.Templates
-            .Where(t => t.ParentTemplateId == id)
-            .ToListAsync(cancellationToken);
-
-        return template;
+        return await GetTemplateByIdAsync(id, cancellationToken);
     }
 
     public async Task<IReadOnlyList<Template>> GetAllTemplatesAsync(CancellationToken cancellationToken = default)