bug: CampaignEmbed crashes on load — onOpenRef variable is undefined

[dotunv]

Description

CampaignEmbed.jsx line 91 references onOpenRef which is never declared in the component. This causes a ReferenceError when the embed page loads, breaking the embeddable campaign widget for all external sites using it.

Steps to Reproduce

1. Navigate to /embed/campaigns/:id
2. Page throws ReferenceError: onOpenRef is not defined

Fix

Either declare const onOpenRef = useRef(null) in the component, or replace onOpenRef with the correct ref/handler that was intended.

Acceptance Criteria

• /embed/campaigns/:id loads without errors
• Campaign data and progress bar render correctly in the embed
• PostMessage height resize still works

[Opulencechuks]

@Opulencechuks has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

I am confident that I can implement this issue having worked on something similar in the past

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[Komelove]

@Komelove has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

This issue aligns closely with my experience in contracts, backend architecture, and frontend implementation. I’m keen to work on it and will keep the team informed of my progress along the way.

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[strngecloud]

@strngecloud has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi, i am a fullstack engineer, i will love to close this issue ser
please assign

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[grantfox-oss]

🦊 GrantFox — @strngecloud has been assigned to this issue as part of the Official Campaign campaign!

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This issue has been completed by @strngecloud as part of the Stellar Wave Program's 6th Wave 🥳

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