Prior to this commit, a null path supplied to the isPattern(), match(), and matchStart() methods in AntPathMatcher resulted in a NullPointerException. This commit addresses this by treating a `null` path as a non-matching pattern. Closes gh-23297
Prior to this commit, a null path supplied to the isPattern(), match(), and matchStart() methods in AntPathMatcher resulted in a NullPointerException. This commit addresses this by treating a `null` path as a non-matching pattern. Closes gh-23297