[UITests] Add UITest.Next suites (Image Resizer, Peek, File Explorer add‑ons, File Locksmith) + local‑VM tooling and CI test‑signing - #49671

[UITests] Add UITest.Next suites (Image Resizer, Peek, File Explorer add‑ons, File Locksmith) + local‑VM tooling and CI test‑signing#49671

Gleb Khmyznikov (khmyznikov) wants to merge 57 commits into

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