Change badge view in order products list text color

[bozidarsevo]

Closes #12628

Description

Noticed that in dark mode badge view text color is to dark. Since the background color of badg view is black I set the text color to plain white.

Testing instructions

• Open orders
• Add product(s) to the order
• Check that the number if badge is readable
• Test it in both light and dark mode

Screenshots

Before	After

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• [x] I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce iOS by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce iOS
	Build Number	pr12630-2ad71e1
	Version	18.5
	Bundle ID	com.automattic.alpha.woocommerce
	Commit	2ad71e12da05a291878b43b37b1c74123a641922
	App Center Build	WooCommerce - Prototype Builds #8948

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