recreate deleted maintenance template (#248)

Author: smashi

myrasec/resource_myrasec_maintenance_template.go

@@ -148,10 +148,15 @@ func resourceMyrasecMaintenanceTemplateRead(ctx context.Context, d *schema.Resou
 	}
 
 	template, diags := findMaintenanceTemplate(maintenanceTemplateID, meta, domainID)
-	if diags.HasError() || template == nil {
+	if diags.HasError() {
 		return diags
 	}
 
+	if template == nil {
+		d.SetId("")
+		return nil
+	}
+
 	setMaintenanceTemplateData(d, template, domainID)
 
 	return diags
@@ -350,12 +355,6 @@ func findMaintenanceTemplate(maintenanceTemplateID int, meta any, domainID int)
 		}
 		page++
 	}
-
-	diags = append(diags, diag.Diagnostic{
-		Severity: diag.Warning,
-		Summary:  "Unable to find maintenance template",
-		Detail:   fmt.Sprintf("Unable to find maintenance template with ID = [%d]", maintenanceTemplateID),
-	})
 	return nil, diags
 }