P: (Win ARM-only) Book Module - Text is rotated 90 degrees
Letters in texts added in books in Book module are rotated in LrC 15.3. The rotation seems to happen per line as displayed (not per carriage return). Switching back to 15.2.1 put the letters correctly again, and upgrading to 15.3 rotates the letters.
Attached two screenshots of the same page in a book in 15.2.1 and 15.3.


The letters are also rotated for a new book created in 15.3.
