patch 8.2.3517: TextChanged does not trigger after TextChangedI

Problem:    TextChanged does not trigger after TextChangedI.
Solution:   Store the tick separately for TextChangedI. (Christian Brabandt,
            closes #8968, closes #8932)
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index db1efba..7faa455 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
Binary files differ