Upgrade `avatarMiddleware` to `polymiddleware` #3212

Job	Run time
Print commit stats	1m 1s
Build	4m 56s
Verify build-browser (windows-latest)	2m 3s
Verify build-browser (ubuntu-latest)	47s
Verify build-browser (macos-26)	54s
Build samples	25s
Unit test	3m 14s
Type definitions test	2m 18s
Static code analysis	4m 4s
HTML test (5/17)	8m 13s
HTML test (10/17)	7m 50s
HTML test (9/17)	1m 14s
HTML test (6/17)	8m 5s
HTML test (8/17)	1m 26s
HTML test (4/17)	8m 12s
HTML test (11/17)	7m 53s
HTML test (12/17)	1m 8s
HTML test (7/17)	1m 20s
HTML test (2/17)	7m 52s
HTML test (13/17)	8m 2s
HTML test (17/17)	1m 14s
HTML test (15/17)	7m 37s
HTML test (14/17)	8m 11s
HTML test (16/17)	8m 6s
HTML test (3/17)	7m 52s
HTML test (1/17)	7m 8s
Merge test results	22s
Merge test snapshots	3s
	2h 1m 30s

Provide feedback