[lexical] Bug Fix: Normalize selection after applyDOMRange to account… #2202

Job	Run time
core-tests / integrity (20.11.0)	1m 42s
core-tests / unit (18.18.0)	1m 51s
core-tests / unit (18.18.0, beta)	1m 56s
e2e-tests / canary (ubuntu-latest, 18.18.0, chromium, rich-text, modern-events) / e2e-test	16m 57s
	22m 26s

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