fix(core): emit tuiDropdownOpenChange on distinct values #10938

Job	Run time
Cypress / Component Testing	5m 0s
Build demo	4m 38s
Playwright / macos-latest / 1 of 9	7m 53s
Playwright / macos-latest / 2 of 9	6m 22s
Playwright / macos-latest / 3 of 9	34m 26s
Playwright / macos-latest / 4 of 9	12m 33s
Playwright / macos-latest / 5 of 9	12m 28s
Playwright / macos-latest / 6 of 9	10m 45s
Playwright / macos-latest / 7 of 9	9m 23s
Playwright / macos-latest / 8 of 9	9m 54s
Playwright / macos-latest / 9 of 9	7m 1s
Playwright / ubuntu-latest / 1 of 9	4m 29s
Playwright / ubuntu-latest / 2 of 9	5m 19s
Playwright / ubuntu-latest / 3 of 9	26m 2s
Playwright / ubuntu-latest / 4 of 9	6m 54s
Playwright / ubuntu-latest / 5 of 9	7m 56s
Playwright / ubuntu-latest / 6 of 9	6m 3s
Playwright / ubuntu-latest / 7 of 9	5m 28s
Playwright / ubuntu-latest / 8 of 9	4m 55s
Playwright / ubuntu-latest / 9 of 9	5m 21s
E2E result	1m 2s
Playwright E2E Tests matrix result	1s
	3h 13m 53s

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