fix(tests): mark drag and drop tests as slow to improve stability (#28689)

(cherry picked from commit a6e2994)

Author: ShaileshParmar11

openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/TeamsDragAndDrop.spec.ts

@@ -158,6 +158,7 @@ test.describe(
       test(`Should drag and drop on ${TEAM_TYPE_BY_NAME[droppableTeamName]} team type`, async ({
         page,
       }) => {
+        test.slow();
         // Nested team will be shown once anything is moved under it
         if (index !== 0) {
           await openDragDropDropdown(page, teams[index - 1]);
@@ -181,6 +182,7 @@ test.describe(
     }
 
     test(`Should drag and drop team on table level`, async ({ page }) => {
+      test.slow();
       // Open department team dropdown as it is moved under it from last test
       await openDragDropDropdown(page, teamNameDepartment);