Fix for two bugs related to Unicode translation support by Font objects #613

Job	Run time
PHPUnit Composer v2 (PHP 7.4)	25s
Tests alternative autoloader (PHP 7.1)	13s
PHPUnit (PHP 7.2)	38s
Tests alternative autoloader (PHP 7.2)	11s
PHPUnit coverage (PHP 7.4)	1m 6s
Tests alternative autoloader (PHP 7.3)	8s
PHPUnit (PHP 7.3)	35s
PHPUnit (PHP 7.1)	29s
Tests alternative autoloader (PHP 7.4)	7s
PHPUnit (PHP 7.4)	42s
Tests alternative autoloader (PHP 8.0)	7s
PHPUnit (PHP 8.0)	26s
PHPUnit lowest deps (PHP 7.3)	28s
Tests alternative autoloader (PHP 8.1)	5s
PHPUnit (PHP 8.1)	36s
PHPUnit (PHP 8.2)	26s
Tests alternative autoloader (PHP 8.2)	8s
Windows-Tests with PHP 7.1	1m 13s
PHPUnit (PHP 8.3)	26s
Tests alternative autoloader (PHP 8.3)	7s
Windows-Tests with PHP 7.2	53s
Windows-Tests with PHP 7.3	57s
Windows-Tests with PHP 7.4	48s
Windows-Tests with PHP 8.0	52s
Windows-Tests with PHP 8.1	55s
Windows-Tests with PHP 8.2	57s
Windows-Tests with PHP 8.3	45s
	14m 43s

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