CIV-16647 fix pa11y issue with WCAG2AA.Principle1.Guideline1_1.1_1_1.H30.2

[LeonardoPalmeiro]

JIRA link

https://tools.hmcts.net/jira/browse/CIV-16647

Change description

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[x ] No

[vasudevganesanhmcts]

16:06:05 1) Accessibility
16:06:05 Test of /contact-cnbc:
16:06:05 AssertionError [ERR_ASSERTION]: There are accessibility issues:
16:06:05 [
16:06:05 {
16:06:05 "code": "WCAG2AA.Principle1.Guideline1_1.1_1_1.H30.2",
16:06:05 "type": "error",
16:06:05 "typeCode": 1,
16:06:05 "message": "Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.",
16:06:05 "context": "<a href="#" data-type="online"><img src="https://vcc-eu4-cf.8x/...",
16:06:05 "selector": "#__8x8-chat-button-container-script_35780229675c3e23dcdd66.11858382 > a",
16:06:05 "runner": "htmlcs",
16:06:05 "runnerExtras": {}
16:06:05 }

seems to be failing still

[LeonardoPalmeiro]

16:06:05 1) Accessibility 16:06:05 Test of /contact-cnbc: 16:06:05 AssertionError [ERR_ASSERTION]: There are accessibility issues: 16:06:05 [ 16:06:05 { 16:06:05 "code": "WCAG2AA.Principle1.Guideline1_1.1_1_1.H30.2", 16:06:05 "type": "error", 16:06:05 "typeCode": 1, 16:06:05 "message": "Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.", 16:06:05 "context": "<img src="https://vcc-eu4-cf.8x/...", 16:06:05 "selector": "#__8x8-chat-button-container-script_35780229675c3e23dcdd66.11858382 > a", 16:06:05 "runner": "htmlcs", 16:06:05 "runnerExtras": {} 16:06:05 }

seems to be failing still

fixed