patch 9.0.0201: CursorLine highlight overrules virtual text highlight

Problem:    CursorLine highlight overrules virtual text highlight.
Solution:   Let extra attribute overrule line attribute. (closes #10909)
diff --git a/src/testdir/dumps/Test_prop_with_text_after_nowrap_2.dump b/src/testdir/dumps/Test_prop_with_text_after_nowrap_2.dump
index 48da426..1d5c534 100644
--- a/src/testdir/dumps/Test_prop_with_text_after_nowrap_2.dump
+++ b/src/testdir/dumps/Test_prop_with_text_after_nowrap_2.dump
@@ -3,8 +3,8 @@
 | +0#0000e05#a8a8a8255@4|t+0#0000000#ffffff0|w|o| @51
 | +0#0000e05#a8a8a8255@4|a+0#0000000#ffff4012|n|o|t|h|e|r| +0&#ffffff0@47
 | +0#0000e05#a8a8a8255@4|O+0#ffffff16#e000002|n|e| |M|o|r|e| |H|e|r|e| +0#0000000#ffffff0@41
-| +0#0000e05#a8a8a8255@4|t+0#0000000#ffffff0|h|r|e>e| @36|r+0&#ffff4012|i|g|h|t| |a|l|i|g|n|e|d
-| +0#0000e05#a8a8a8255@4| +0#0000000#ffffff0@36|a+0&#ffff4012|l|s|o| |r|i|g|h|t| |a|l|i|g|n|e|d
+| +0#0000e05#a8a8a8255@4|t+8#0000000#e0e0e08|h|r|e>e| @36|r+8&#ffff4012|i|g|h|t| |a|l|i|g|n|e|d
+| +0#0000e05#a8a8a8255@4| +8#0000000#e0e0e08@36|a+8&#ffff4012|l|s|o| |r|i|g|h|t| |a|l|i|g|n|e|d
 | +0#0000e05#a8a8a8255@4|f+0#0000000#ffffff0|o|u|r| @50
 |~+0#4040ff13&| @58
 |~| @58
diff --git a/src/testdir/dumps/Test_prop_with_text_after_nowrap_3.dump b/src/testdir/dumps/Test_prop_with_text_after_nowrap_3.dump
index d96f1ec..ca84912 100644
--- a/src/testdir/dumps/Test_prop_with_text_after_nowrap_3.dump
+++ b/src/testdir/dumps/Test_prop_with_text_after_nowrap_3.dump
@@ -5,8 +5,8 @@
 | +0#0000e05#a8a8a8255@4|O+0#ffffff16#e000002|n|e| |M|o|r|e| |H|e|r|e| +0#0000000#ffffff0@41
 | +0#0000e05#a8a8a8255@4|t+0#0000000#ffffff0|h|r|e@1| @36|r+0&#ffff4012|i|g|h|t| |a|l|i|g|n|e|d
 | +0#0000e05#a8a8a8255@4| +0#0000000#ffffff0@36|a+0&#ffff4012|l|s|o| |r|i|g|h|t| |a|l|i|g|n|e|d
-| +0#0000e05#a8a8a8255@4|f+0#0000000#ffffff0|o|u>r| @50
-|~+0#4040ff13&| @58
+| +0#0000e05#a8a8a8255@4|f+8#0000000#e0e0e08|o|u>r| @50
+|~+0#4040ff13#ffffff0| @58
 |~| @58
 |~| @58
 | +0#0000000&@41|4|,|4| @10|A|l@1| 
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index 5e9dd20..b702340 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -2756,12 +2756,13 @@
 
       call prop_add(3, 0, #{type: 'anotherprop', text: 'right aligned', text_align: 'right'})
       call prop_add(3, 0, #{type: 'anotherprop', text: 'also right aligned', text_align: 'right'})
+      hi CursorLine ctermbg=lightgrey
   END
   call writefile(lines, 'XscriptPropsAfterNowrap')
   let buf = RunVimInTerminal('-S XscriptPropsAfterNowrap', #{rows: 12, cols: 60})
   call VerifyScreenDump(buf, 'Test_prop_with_text_after_nowrap_1', {})
 
-  call term_sendkeys(buf, ":set signcolumn=yes foldcolumn=3\<CR>")
+  call term_sendkeys(buf, ":set signcolumn=yes foldcolumn=3 cursorline\<CR>")
   call VerifyScreenDump(buf, 'Test_prop_with_text_after_nowrap_2', {})
 
   call term_sendkeys(buf, "j")