replacing: don't let placewewant influence the placement of the cursor

When spotlighting the string to be replaced, placewewant isn't valid,
so tell place_the_cursor() to ignore its value to avoid the cursor
getting mistakenly placed at the beginning of the next row.

This fixes https://savannah.gnu.org/bugs/?50997.
Reported-by: David Lawrence Ramsey <pooka109@gmail.com>

src/files.c

@@ -1198,7 +1198,7 @@ void do_insertfile(void)
 		    set_modified();
 
 		/* Update current_y to account for inserted lines. */
-		place_the_cursor();
+		place_the_cursor(TRUE);
 
 		refresh_needed = TRUE;
 	    }