Fix Lightbox for Gallery block.

[AnthonyLedesma]

Description

New selector in the script and logic to check the innerBlocks. This has changed since the old Gallery block had used attributes.images as opposed to innerBlocks.

Types of changes

JavaScript

How has this been tested?

Tested Manually in 5.9-RC4

Checklist:

• My code is tested
• My code follows accessibility standards
• My code has proper inline documentation
• I've included any necessary tests
• I've included developer documentation
• I've added proper labels to this pull request

[cypress]

---

Test summary

392 • 0 • 0 • 0

---

Run details

Project	CoBlocks
Status	Passed
Commit	e9ea0b6
Started	Jan 25, 2022 10:12 PM
Ended	Jan 25, 2022 10:16 PM
Duration	03:57 💡
OS	Linux Debian - 11.1
Browser	Multiple

View run in Cypress Dashboard ➡️

---

This comment has been generated by cypress-bot as a result of this project's GitHub integration settings. You can manage this integration in this project's settings in the Cypress Dashboard

[godaddy-wordpress-bot]

Performance Test Results:

index	master	fix-lightbox-59	change %
focus	110.29	124.67	13.04%
inserterHover	35.16	37.2	5.8%
inserterOpen	103.58	111.33	7.48%
inserterSearch	100.99	89.97	-10.91%
load	21430.6	23820.8	11.15%
maxFocus	134.49	176.4	31.16%
maxInserterHover	42.49	42.57	0.19%
maxInserterOpen	396.81	445.41	12.25%
maxInserterSearch	172.81	188.67	9.18%
maxType	71.45	79.86	11.77%
minFocus	94.5	106.3	12.49%
minInserterHover	30.78	32.3	4.94%
minInserterOpen	67.39	69.54	3.19%
minInserterSearch	50.6	51.26	1.3%
minType	36.3	38.28	5.45%
type	43.64	46.44	6.42%

[olafleur-godaddy]

Works also great on WP 5.9 final version, good job!