patch 9.0.0199: cursor position wrong with two right-aligned virtual texts

Problem:    Cursor position wrong with two right-aligned virtual texts.
Solution:   Add the padding for right-alignment. (issue #10906)
diff --git a/src/testdir/dumps/Test_prop_right_align_twice_1.dump b/src/testdir/dumps/Test_prop_right_align_twice_1.dump
new file mode 100644
index 0000000..f3f1afc
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_right_align_twice_1.dump
@@ -0,0 +1,8 @@
+|s+0&#ffffff0|o|m|e| |t|e|x|t| |s|o|m|e| |t|e|x|t| |s|o|m|e| |t|e|x|t| |s|o|m|e| |t|e|x|t| +0&#ffd7ff255|n|o|t|h|i|n|g| |h|e|r|e| +0&#ffffff0@12|S+0#ffffff16#e000002|o|m|e| |e|r@1|o|r
+| +0#0000000#ffffff0@61|A+0#ffffff16#e000002|n|o|t|h|e|r| |e|r@1|o|r
+|l+0#0000000#ffffff0|i|n|e| |t|w>o| @66
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|2|,|8| @10|A|l@1| 
diff --git a/src/testdir/dumps/Test_prop_right_align_twice_2.dump b/src/testdir/dumps/Test_prop_right_align_twice_2.dump
new file mode 100644
index 0000000..dd41c86
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_right_align_twice_2.dump
@@ -0,0 +1,8 @@
+|s+0&#ffffff0|o|m|e| |m|o|r|e| |t|e|x|t|s|o|m|e| |t|e|x|t| |s|o|m|e| |t|e|x|t| |s|o|m|e| |t|e|x|t| |s|o|m|e| |t|e|x|t| +0&#ffd7ff255|n|o|t|h|i|n|g| |h|e|r|e|S+0#ffffff16#e000002|o|m|e| |e|r@1|o
+|r| +0#0000000#ffffff0@60|A+0#ffffff16#e000002|n|o|t|h|e|r| |e|r@1|o|r
+|l+0#0000000#ffffff0|i|n|e| |t|w>o| @66
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|2|,|8| @10|A|l@1| 
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index f5ac9c1..b012f69 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -2538,6 +2538,29 @@
   call delete('XscriptPropsWithHighlight')
 endfunc
 
+func Test_props_with_text_right_align_twice()
+  CheckRunVimInTerminal
+
+  let lines =<< trim END
+      call setline(1, ["some text some text some text some text", 'line two'])
+      call prop_type_add( 'MyErrorText', #{ highlight: 'ErrorMsg' } )
+      call prop_type_add( 'MyPadding', #{ highlight: 'DiffChange' } )
+      call prop_add( 1, 0, #{ type: 'MyPadding', text: ' nothing here', text_wrap: 'wrap'} )
+      call prop_add( 1, 0, #{ type: 'MyErrorText', text: 'Some error', text_wrap: 'wrap', text_align: 'right' } )
+      call prop_add( 1, 0, #{ type: 'MyErrorText', text: 'Another error', text_wrap: 'wrap', text_align: 'right' } )
+      normal G$
+  END
+  call writefile(lines, 'XscriptPropsRightAlign')
+  let buf = RunVimInTerminal('-S XscriptPropsRightAlign', #{rows: 8})
+  call VerifyScreenDump(buf, 'Test_prop_right_align_twice_1', {})
+
+  call term_sendkeys(buf, "ggisome more text\<Esc>G$")
+  call VerifyScreenDump(buf, 'Test_prop_right_align_twice_2', {})
+
+  call StopVimInTerminal(buf)
+  call delete('XscriptPropsRightAlign')
+endfunc
+
 func Test_props_with_text_after()
   CheckRunVimInTerminal