Add kls contact email on 500 page

[Dashue]

📝 Description of Change

Aim of this work was to:
Make KLS forms show contact email when 500

SNow ticket:
RITM0234473

🧪 Testing Completed

🔧 Manually tested

Select the environments where manual testing was carried out.

• [] tested in local
• [] tested in dev
• [] tested test
• tested UAT
• tested preprod

DEV:

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TEST:

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UAT:

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PREPROD

💁🏽 Have you attached evidence of the tests in this PR?

• [] Yes
• No, it is not required or not applicable

🦾 Automated tests

Have you added automated tests?

• Yes, unit
• Yes, behave tests
• No (explain why tests are not required or can't be added at this time)

🌍 Environment(s) Affected

Untick as appropriate

• QAT
• Staging
• Production

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🛠️ Execution Details

⚠️ Risk Level

• Low
• Medium
• High

(Choose based on potential service impact)

🔄 Backout / Rollback Plan

• Standard - Rollback to last version
• Non - List any and all steps if simple rollback to last version.

🔗 Dependencies / Config Changes

• None
• Changes - list all the config changes

🏷️ Change Type Recommendation

• Standard
• Normal

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✅ Pre-Conditions / Pre-Checks

None

🔍 Post-Deployment Checks

Unsure if we can manually trigger 500 for KLS forms at will

📚 Documentation

Have you updated the documentation?

• Yes, I have updated/added documentation in Confluence
• Yes, I have added inline comments for hard-to-understand areas
• No, I am not sure if documentation is required
• No, documentation is not required for this change