patch 9.0.0944: 'cursorline' causes virtual text highlight to continue

Problem:    'cursorline' causes virtual text highlight to continue.
Solution:   Save and restore line_attr. (closes #11588)
diff --git a/src/testdir/dumps/Test_prop_with_text_after_below_trunc_1.dump b/src/testdir/dumps/Test_prop_with_text_after_below_trunc_1.dump
index e254ac0..8481c9c 100644
--- a/src/testdir/dumps/Test_prop_with_text_after_below_trunc_1.dump
+++ b/src/testdir/dumps/Test_prop_with_text_after_below_trunc_1.dump
@@ -1,5 +1,5 @@
 |o+0&#ffffff0|n|a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d| |f|a|s| |d|f|t+0#e000e06&|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|p|s| |o|…
-|t|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|p|s| |o|v|e|r| |t|h|e| |l|a|z|y| |d|o|g| +0#0000000&@16
+| +0#0000000&@3|t+0&#ffd7ff255|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|p|s| |o|v|e|r| |t|h|e| |l|a|z|y| |d|o|g| +0&#ffffff0@12
 |t|w>o| @56
 |~+0#4040ff13&| @58
 |~| @58
diff --git a/src/testdir/dumps/Test_prop_with_text_after_below_trunc_2.dump b/src/testdir/dumps/Test_prop_with_text_after_below_trunc_2.dump
index 1d93f9f..afa1a36 100644
--- a/src/testdir/dumps/Test_prop_with_text_after_below_trunc_2.dump
+++ b/src/testdir/dumps/Test_prop_with_text_after_below_trunc_2.dump
@@ -1,5 +1,5 @@
 | +0#af5f00255#ffffff0@1|1| |o+0#0000000&|n|a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d| |f|a|s| |d|f|t+0#e000e06&|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|…
-| +0#af5f00255&@3|t+0#e000e06&|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|p|s| |o|v|e|r| |t|h|e| |l|a|z|y| |d|o|g| +0#0000000&@12
+| +0#af5f00255&@3| +0#0000000&@3|t+0&#ffd7ff255|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|p|s| |o|v|e|r| |t|h|e| |l|a|z|y| |d|o|g| +0&#ffffff0@8
 | +0#af5f00255&@1|2| |t+0#0000000&|w>o| @52
 |~+0#4040ff13&| @58
 |~| @58
diff --git a/src/testdir/dumps/Test_prop_with_text_after_below_trunc_3.dump b/src/testdir/dumps/Test_prop_with_text_after_below_trunc_3.dump
new file mode 100644
index 0000000..7b93c7f
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_with_text_after_below_trunc_3.dump
@@ -0,0 +1,8 @@
+| +8#af5f00255#ffffff0@1|1| >o+8#0000000&|n|a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d| |f|a|s| |d|f|t+8#e000e06&|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|…
+| +8#af5f00255&@3| +8#0000000&@3|t+8&#ffd7ff255|h|e| |q|u|i|c|k| |b|r|o|w|n| |f|o|x| |j|u|m|p|s| |o|v|e|r| |t|h|e| |l|a|z|y| |d|o|g| +8&#ffffff0@8
+| +0#af5f00255&@1|2| |t+0#0000000&|w|o| @52
+|~+0#4040ff13&| @58
+|~| @58
+|~| @58
+|~| @58
+|:+0#0000000&|s|e|t| |c|u|r|s|o|r|l|i|n|e| @26|1|,|1| @10|A|l@1| 
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index c2ee233..3f24463 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -2690,12 +2690,14 @@
       prop_add(1, 0, {
           type: 'test',
           text: 'the quick brown fox jumps over the lazy dog',
-          text_align: 'after'
+          text_align: 'after',
       })
+      prop_type_add('another', {highlight: 'DiffChange'})
       prop_add(1, 0, {
-          type: 'test',
+          type: 'another',
           text: 'the quick brown fox jumps over the lazy dog',
-          text_align: 'below'
+          text_align: 'below',
+          text_padding_left: 4,
       })
       normal G$
   END
@@ -2706,6 +2708,9 @@
   call term_sendkeys(buf, ":set number\<CR>")
   call VerifyScreenDump(buf, 'Test_prop_with_text_after_below_trunc_2', {})
 
+  call term_sendkeys(buf, ":set cursorline\<CR>gg")
+  call VerifyScreenDump(buf, 'Test_prop_with_text_after_below_trunc_3', {})
+
   call StopVimInTerminal(buf)
 endfunc