fix: allow update of empty template description (#7225)

coderd/coderdtest/coderdtest.go

@@ -591,9 +591,8 @@ func CreateWorkspaceBuild(
 // compatibility with testing. The name assigned is randomly generated.
 func CreateTemplate(t *testing.T, client *codersdk.Client, organization uuid.UUID, version uuid.UUID, mutators ...func(*codersdk.CreateTemplateRequest)) codersdk.Template {
 	req := codersdk.CreateTemplateRequest{
-		Name:        randomUsername(t),
-		Description: randomUsername(t),
-		VersionID:   version,
+		Name:      randomUsername(t),
+		VersionID: version,
 	}
 	for _, mut := range mutators {
 		mut(&req)

coderd/templates.go

@@ -493,8 +493,8 @@ func (api *API) patchTemplateMeta(rw http.ResponseWriter, r *http.Request) {
 		}
 
 		// Update template metadata -- empty fields are not overwritten,
-		// except for display_name, icon, and default_ttl.
-		// The exception is required to clear content of these fields with UI.
+		// except for display_name, description, icon, and default_ttl.
+		// These exceptions are required to clear content of these fields with UI.
 		name := req.Name
 		displayName := req.DisplayName
 		desc := req.Description
@@ -503,9 +503,6 @@ func (api *API) patchTemplateMeta(rw http.ResponseWriter, r *http.Request) {
 		if name == "" {
 			name = template.Name
 		}
-		if desc == "" {
-			desc = template.Description
-		}
 
 		var err error
 		updated, err = tx.UpdateTemplateMetaByID(ctx, database.UpdateTemplateMetaByIDParams{