Add validator for ReadRecActionViewQuery ProfileId

Introduced ReadRecActionViewQueryValidator using FluentValidation to ensure ProfileId, if provided, is greater than 0. Returns a specific validation message if the rule is violated.

src/ReC.Application/Common/Validations/ReadRecActionViewQueryValidator.cs

@@ -0,0 +1,15 @@
+using FluentValidation;
+using ReC.Application.RecActions.Queries;
+
+namespace ReC.Application.Common.Validations;
+
+public class ReadRecActionViewQueryValidator : AbstractValidator<ReadRecActionViewQuery>
+{
+    public ReadRecActionViewQueryValidator()
+    {
+        RuleFor(x => x.ProfileId)
+            .GreaterThan(0)
+            .When(x => x.ProfileId.HasValue)
+            .WithMessage("ProfileId must be greater than 0.");
+    }
+}