patch 8.2.4954: inserting line breaks text property spanning two lines

Problem:    Inserting line breaks text property spanning more then one line.
Solution:   Check TP_FLAG_CONT_PREV and TP_FLAG_CONT_NEXT. (closes #10423)

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4954,
 /**/
     4953,
 /**/