patch 9.0.1325: 'colorcolumn' highlight wrong with virtual text above

Problem:    'colorcolumn' highlight wrong with virtual text above.
Solution:   Adjust column of 'colorcolumn' for text propertly. (closes #12004)
diff --git a/src/testdir/dumps/Test_prop_above_below_empty_3.dump b/src/testdir/dumps/Test_prop_above_below_empty_3.dump
new file mode 100644
index 0000000..27f9eec
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_above_below_empty_3.dump
@@ -0,0 +1,16 @@
+| +0#af5f00255#ffffff0@3|-+0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@1|1| |1+0#0000000&@7| | +0&#ffd7d7255| +0&#ffffff0@45
+| +0#af5f00255&@3|++0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@3|-+0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@1|2| | +0#0000000&@8| +0&#ffd7d7255| +0&#ffffff0@45
+| +0#af5f00255&@3|++0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@3|-+0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@1|3| |3+0#0000000&@8| +0&#ffd7d7255| +0&#ffffff0@45
+| +0#af5f00255&@3|++0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@3|-+0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@1|4| | +0#0000000&@8| +0&#ffd7d7255| +0&#ffffff0@45
+| +0#af5f00255&@3|++0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@3|-+0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+| +0#af5f00255&@1|5| >5+0#0000000&@8|5+0&#ffd7d7255|5+0&#ffffff0| @44
+| +0#af5f00255&@3|++0#0000001#ffff4012@2| +0#0000000#ffffff0@52
+|:| @40|5|,|1|-|5|7| @7|A|l@1| 
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index d7e34e2..158896f 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -2801,6 +2801,11 @@
   call term_sendkeys(buf, ":set list\<CR>")
   call VerifyScreenDump(buf, 'Test_prop_above_below_empty_2', {})
 
+  call term_sendkeys(buf, ":set nolist\<CR>")
+  call term_sendkeys(buf, ":set colorcolumn=10\<CR>")
+  call term_sendkeys(buf, ":\<CR>")
+  call VerifyScreenDump(buf, 'Test_prop_above_below_empty_3', {})
+
   call StopVimInTerminal(buf)
 endfunc