patch 9.0.1762: Not able to get the virtual text property

Problem:  Not able to get the virtual text property
Solution: Make prop_list() return virtual text and alignment

closes: #12860

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/src/textprop.c b/src/textprop.c
index e8ccfe1..44f7ff0 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -990,6 +990,31 @@
 	dict_add_number(dict, "type_bufnr", buf->b_fnum);
     else
 	dict_add_number(dict, "type_bufnr", 0);
+    if (prop->tp_id < 0)
+    {
+	// virtual text property
+	garray_T    *gap = &buf->b_textprop_text;
+	char_u	    *text;
+
+	// negate the property id to get the string index
+	text = ((char_u **)gap->ga_data)[-prop->tp_id - 1];
+	dict_add_string(dict, "text", text);
+
+	// text_align
+	char_u	    *text_align = NULL;
+	if (prop->tp_flags & TP_FLAG_ALIGN_RIGHT)
+	    text_align = (char_u *)"right";
+	else if (prop->tp_flags & TP_FLAG_ALIGN_ABOVE)
+	    text_align = (char_u *)"above";
+	else if (prop->tp_flags & TP_FLAG_ALIGN_BELOW)
+	    text_align = (char_u *)"below";
+	if (text_align != NULL)
+	    dict_add_string(dict, "text_align", text_align);
+
+	// text_wrap
+	if (prop->tp_flags & TP_FLAG_WRAP)
+	    dict_add_string(dict, "text_wrap", (char_u *)"wrap");
+    }
 }
 
 /*