Add GraphQL for WorkItems::UserPreference

What does this MR do and why?

Create work_item_user_preferences table

With the goal to save user preferences by work_item type and namespace we're creating a new table to save the preferences, starting by work_item sorting preference.

Changelog: added

References

Please include cross links to any resources that are relevant to this MR. This will give reviewers and future readers helpful context to give an efficient review of the changes introduced.

• Related to: #501712 (closed)

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

• Get preferences

query userPreference($namespace: ID!, $work_item_type: WorkItemsTypeID!) {
  currentUser {
    workItemTypePreferences(
      namespacePath: $namespace
      workItemTypeId: $work_item_type
    ) {
      sort
      namespace {
        fullPath
      }
      workItemType {
        name
      }
    }
  }
}

{
  "data": {
    "currentUser": {
      "workItemTypePreferences": {
        "sort": "TITLE_ASC",
        "namespace": {
          "fullPath": "group"
        },
        "workItemType": {
          "name": "Issue"
        }
      }
    }
  },
  "correlationId": "01JK86HS9610033W9TMWM4F4W3"
}

• Update preferences

mutation updateWorkItemPreference(
  $namespace: ID!,
  $work_item_type: WorkItemsTypeID!, 
  $sort: WorkItemSort
) {
  workItemUserPreferenceUpdate(
    input: {
      namespacePath: $namespace,
      workItemTypeId: $work_item_type,
      sort: $sort
    }
  ) {
    errors
    userPreferences {
      namespace {
        path
      }
      workItemType {
        name
      }
      sort
    }
  }
}

{
  "data": {
    "workItemUserPreferenceUpdate": {
      "errors": [],
      "userPreferences": {
        "namespace": {
          "path": "group"
        },
        "workItemType": {
          "name": "Issue"
        },
        "sort": "DUE_DATE_ASC"
      }
    }
  },
  "correlationId": "01JKV9S1DPGF3A6ZJ49J3B3XT4"
}