Dashboards: Allow updating a dashboard if the user doesn't have access to the parent folder (#78075)

* change where folder checks are done for dash creation/updates

* add test for folder not being found

* test fixes

* more test fixes

* add nlint directive to where folder IDs are used

* fix bad merge

* fix test

pkg/api/dashboard_test.go

@@ -3,7 +3,6 @@ package api
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"net/http"
 	"os"
@@ -468,31 +467,6 @@ func TestDashboardAPIEndpoint(t *testing.T) {
 			})
 		})
 
-		t.Run("Given a request with incorrect folder uid for creating a dashboard with", func(t *testing.T) {
-			cmd := dashboards.SaveDashboardCommand{
-				OrgID:  1,
-				UserID: 5,
-				Dashboard: simplejson.NewFromAny(map[string]any{
-					"title": "Dash",
-				}),
-				Overwrite: true,
-				FolderUID: "folderUID",
-				IsFolder:  false,
-				Message:   "msg",
-			}
-
-			dashboardService := dashboards.NewFakeDashboardService(t)
-
-			mockFolder := &foldertest.FakeService{
-				ExpectedError: errors.New("Error while searching Folder ID"),
-			}
-
-			postDashboardScenario(t, "When calling POST on", "/api/dashboards", "/api/dashboards", cmd, dashboardService, mockFolder, func(sc *scenarioContext) {
-				callPostDashboard(sc)
-				assert.Equal(t, http.StatusInternalServerError, sc.resp.Code)
-			})
-		})
-
 		// This tests that invalid requests returns expected error responses
 		t.Run("Given incorrect requests for creating a dashboard", func(t *testing.T) {
 			testCases := []struct {