ext4: Refactor out ext4_try_to_write_inline_data()

Refactor ext4_try_to_write_inline_data() to simplify its
implementation by directly invoking ext4_generic_write_inline_data().

Signed-off-by: Julian Sun <sunjunchao2870@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20250107045730.1837808-1-sunjunchao2870@gmail.com


Signed-off-by: Theodore Ts'o <tytso@mit.edu>