vim-patch:8.1.1829: difference in screenshots

Problem:    Difference in screenshots.
Solution:   Update screenshots.  Change checks in a few more tests.
            (closes vim/vim#4789)
39de6413c8

N/A patches for version.c:

vim-patch:8.1.2234: get_short_pathname() fails depending on encoding

Problem:    get_short_pathname() fails depending on encoding.
Solution:   Use the wide version of the library function. (closes vim/vim#5129)
3f39697b73

vim-patch:8.2.1944: Netbeans test is flaky

Problem:    Netbeans test is flaky.
Solution:   Add a short delay. (Yegappan Lakshmanan, closes vim/vim#7246)
6fd3a4ba23

src/nvim/testdir/test_windows_home.vim

@@ -1,8 +1,7 @@
 " Test for $HOME on Windows.
 
-if !has('win32')
-  finish
-endif
+source check.vim
+CheckMSWindows
 
 let s:env = {}