PHPCSStandards / PHP_CodeSniffer / 9851378995

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Generic/DisallowSpaceIndent: flag heredoc/nowdoc closer using space indent

This is the same fix for the `Generic.WhiteSpace.DisallowSpaceIndent` sniff as was previously made in squizlabs/PHP_CodeSniffer 3640 and 533 for the sister-sniff `Generic.WhiteSpace.DisallowTabIndent`.

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Since PHP 7.3, heredoc/nowdoc closers may be indented.
This indent can use either tabs or spaces and the indent is included in the `T_END_HEREDOC`/`T_END_NOWDOC` token contents as received from the PHP native tokenizer.

However, these tokens were not included in the tokens to look at for the `Generic.WhiteSpace.DisallowSpaceIndent` sniff, which could lead to false negatives.

Fixed now, includes tests.

And along the same lines as per 533:
* The error for space indentation of heredoc/nowdoc closers is not auto-fixable to prevent the fixer creating parse errors as the indentation of the _contents_ of the heredoc/nowdoc has to be the same as for the closer.
* The error for space indentation of heredoc/nowdoc closers has its own error code to allow for selectively ignoring the indentation of heredoc/nowdoc closers.

8 of 8 new or added lines in 1 file covered. (100.0%)

17958 of 24349 relevant lines covered (73.75%)

70.94 hits per line