[text-box-trim] fix the case where there are multiple inline nodes
IsBlockEndTrimmed should be used separately from IsTextBoxTrimApplied
Bug: 40254880
Change-Id: I62c53d504631684a1171bc072b218daf69992e45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5553237
Commit-Queue: Lingqi Chi lingqi@chromium.org
Reviewed-by: Koji Ishii kojii@chromium.org
Cr-Commit-Position: refs/heads/main@{#1304163}