Closes elastic#259251

## Summary

- Pins Console HTTP method completion ordering with explicit `sortText`
values so Monaco does not fall back to alphabetical label sorting.
- Keeps the existing method set unchanged while ordering `GET` first and
`DELETE` last.

## Root Cause

- Monaco uses `sortText` for completion ordering and falls back to the
item label when `sortText` is missing, which can put `DELETE` before
safer/default verbs.

## Fix

- Assign stable `sortText` values to method completion items based on
the intended canonical order.
- Add a focused unit test that sorts method suggestions the same way and
verifies `GET` is first and `DELETE` is last.

## Before
<img width="723" height="466" alt="image"
src="https://github.com/user-attachments/assets/faf244b2-4207-483b-acbc-32b148441b18"
/>

## After
<img width="725" height="437" alt="image"
src="https://github.com/user-attachments/assets/782c0c60-6052-4c28-80bc-f45403fa1383"
/>

## Test Plan

- `node scripts/jest
--config=src/platform/plugins/shared/console/jest.config.js
src/platform/plugins/shared/console/public/application/containers/editor/monaco_editor_actions_provider.test.ts`
— passed.
- `node scripts/check_changes.ts` — passed.

## Release Note

- Fixes Console autocomplete so `GET` is shown before `DELETE` when
suggesting HTTP methods on an empty request line.

Assisted with Cursor using GPT-5.5

Made with [Cursor](https://cursor.com)

Co-authored-by: Cursor <cursoragent@cursor.com>
(cherry picked from commit 8849fcf)

# Conflicts:
#	src/platform/plugins/shared/console/public/application/containers/editor/monaco_editor_actions_provider.test.ts