Fix for two bugs related to Unicode translation support by Font objects #620

Job	Run time
PHPUnit Composer v2 (PHP 7.4)	25s
PHPUnit coverage (PHP 7.4)	1m 3s
Tests alternative autoloader (PHP 7.1)	10s
PHPUnit (PHP 7.2)	29s
Tests alternative autoloader (PHP 7.2)	6s
PHPUnit (PHP 7.1)	37s
PHPUnit (PHP 7.3)	39s
Tests alternative autoloader (PHP 7.3)	7s
PHPUnit lowest deps (PHP 7.3)	26s
PHPUnit (PHP 7.4)	27s
Tests alternative autoloader (PHP 7.4)	7s
PHPUnit (PHP 8.0)	29s
Tests alternative autoloader (PHP 8.0)	9s
Windows-Tests with PHP 7.1	1m 14s
PHPUnit (PHP 8.1)	37s
Tests alternative autoloader (PHP 8.1)	7s
Windows-Tests with PHP 7.2	1m 5s
PHPUnit (PHP 8.2)	26s
Tests alternative autoloader (PHP 8.2)	5s
Windows-Tests with PHP 7.3	58s
PHPUnit (PHP 8.3)	27s
Windows-Tests with PHP 7.4	1m 5s
Tests alternative autoloader (PHP 8.3)	7s
Windows-Tests with PHP 8.0	59s
Windows-Tests with PHP 8.1	58s
Windows-Tests with PHP 8.2	1m 16s
Windows-Tests with PHP 8.3	59s
	15m 37s

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