FontSizePicker: add pickerMode #108361

Job	Run time
Build JavaScript assets for PHP unit tests	5m 0s
Compute previous WordPress version	2s
Mobile	4m 10s
PHP coding standards	24s
JavaScript (Node.js 20) 1/4	2m 6s
JavaScript Date Tests (Node.js 20)	35s
JavaScript (Node.js 20) 2/4	1m 44s
JavaScript Date Tests (Node.js 22)	41s
JavaScript (Node.js 20) 3/4	1m 43s
JavaScript (Node.js 20) 4/4	1m 45s
JavaScript (Node.js 22) 1/4	1m 48s
JavaScript (Node.js 22) 2/4	1m 32s
JavaScript (Node.js 22) 3/4	1m 35s
JavaScript (Node.js 22) 4/4	1m 31s
PHP 7.2 on ubuntu-latest	2m 10s
PHP 7.2 multisite on ubuntu-latest	2m 13s
PHP 7.3 on ubuntu-latest	2m 32s
PHP 7.3 multisite on ubuntu-latest	2m 21s
PHP 7.4 on ubuntu-latest	2m 43s
PHP 7.4 multisite on ubuntu-latest	2m 16s
PHP 8.0 on ubuntu-latest	2m 13s
PHP 8.0 multisite on ubuntu-latest	2m 37s
PHP 8.1 on ubuntu-latest	2m 16s
PHP 8.1 multisite on ubuntu-latest	2m 43s
PHP 8.2 on ubuntu-latest	2m 16s
PHP 8.2 multisite on ubuntu-latest	2m 25s
PHP 7.2 (WP previous major version) on ubuntu-latest	2m 22s
PHP 7.4 (WP previous major version) on ubuntu-latest	2m 8s
PHP 8.2 (WP previous major version) on ubuntu-latest	2m 8s
PHP	1s
	1h 0m 0s

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