weldr: Fix blueprints/depsolve response

The response always returns a 200 with a JSON response. Any errors will
be in the errors list.

internal/weldr/api.go

@@ -828,6 +828,7 @@ func (api *API) blueprintsDepsolveHandler(writer http.ResponseWriter, request *h
 	}
 
 	blueprints := []entry{}
+	blueprintsErrors := []responseError{}
 	for i, name := range names {
 		// remove leading / from first name
 		if i == 0 {
@@ -835,12 +836,11 @@ func (api *API) blueprintsDepsolveHandler(writer http.ResponseWriter, request *h
 		}
 		blueprint, _ := api.store.GetBlueprint(name)
 		if blueprint == nil {
-			errors := responseError{
+			blueprintsErrors = append(blueprintsErrors, responseError{
 				ID:  "UnknownBlueprint",
 				Msg: fmt.Sprintf("%s: blueprint not found", name),
-			}
-			statusResponseError(writer, http.StatusBadRequest, errors)
-			return
+			})
+			continue
 		}
 
 		dependencies, _, _, err := api.depsolveBlueprint(blueprint, "", api.arch, false)
@@ -859,7 +859,7 @@ func (api *API) blueprintsDepsolveHandler(writer http.ResponseWriter, request *h
 
 	err := json.NewEncoder(writer).Encode(reply{
 		Blueprints: blueprints,
-		Errors:     []responseError{},
+		Errors:     blueprintsErrors,
 	})
 	common.PanicOnError(err)
 }

internal/weldrcheck/blueprints.go

@@ -1366,13 +1366,17 @@ func (c *checkBlueprintsV0) CheckBlueprintDepsolveV0() bool {
 func (c *checkBlueprintsV0) CheckNonBlueprintDepsolveV0() bool {
 	name := "Depsolve a non-existent blueprint"
 
-	_, api, err := client.DepsolveBlueprintV0(c.socket, "test-deps-non-blueprint-v0")
+	resp, api, err := client.DepsolveBlueprintV0(c.socket, "test-deps-non-blueprint-v0")
 	if err != nil {
 		log.Printf("FAIL: %s failed: %s", name, err.Error())
 		return false
 	}
-	if api == nil || api.Status {
-		log.Printf("FAIL: %s failed to return an error", name)
+	if api != nil {
+		log.Printf("FAIL: %s failed: %s", name, api)
+		return false
+	}
+	if len(resp.Errors) == 0 {
+		log.Printf("FAIL: %s failed with no error: %v", name, resp)
 		return false
 	}