Fix missing Reader readerArticleCommentsOpened event

[kean]

No description provided.

[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 26.0. The due date for this milestone has already passed. Please assign it to a milestone with a later deadline or check whether the release for this milestone has already been finished.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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[wpmobilebot]

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

	App Name	WordPress
	Configuration	Release-Alpha
	Build Number	28086
	Version	PR #24653
	Bundle ID	org.wordpress.alpha
	Commit	029ca3b
	Installation URL	566k23cr112j8

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[wpmobilebot]

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

	App Name	Jetpack
	Configuration	Release-Alpha
	Build Number	28086
	Version	PR #24653
	Bundle ID	com.jetpack.alpha
	Commit	029ca3b
	Installation URL	74mji3nh4055o

Automatticians: You can use our internal self-serve MC tool to give yourself access to those builds if needed.