Fix for two bugs related to Unicode translation support by Font objects #628

Job	Run time
PHPUnit Composer v2 (PHP 7.4)	27s
PHPUnit coverage (PHP 7.4)	1m 8s
PHPUnit (PHP 7.1)	37s
PHPUnit (PHP 7.2)	34s
PHPUnit (PHP 7.3)	28s
PHPUnit (PHP 7.4)	53s
Tests alternative autoloader (PHP 7.1)	10s
PHPUnit (PHP 8.0)	40s
Tests alternative autoloader (PHP 7.2)	7s
PHPUnit (PHP 8.1)	55s
Tests alternative autoloader (PHP 7.3)	10s
PHPUnit (PHP 8.2)	29s
Tests alternative autoloader (PHP 7.4)	7s
PHPUnit (PHP 8.3)	31s
Tests alternative autoloader (PHP 8.0)	11s
PHPUnit lowest deps (PHP 7.3)	29s
Tests alternative autoloader (PHP 8.1)	24s
Tests alternative autoloader (PHP 8.2)	10s
Tests alternative autoloader (PHP 8.3)	7s
Windows-Tests with PHP 7.1	1m 22s
Windows-Tests with PHP 7.2	54s
Windows-Tests with PHP 7.3	1m 3s
Windows-Tests with PHP 7.4	53s
Windows-Tests with PHP 8.0	55s
Windows-Tests with PHP 8.1	1m 4s
Windows-Tests with PHP 8.2	1m 3s
Windows-Tests with PHP 8.3	57s
	16m 48s

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