Prevent falsy values from being included in member emails

[skwowet]

Changes proposed ✍️

What

🤖 Generated by Copilot at 6a9cf06

Fixed a bug that caused rendering errors when displaying member emails in the identities drawer. Filtered out any falsy values from the emails computed property in frontend/src/modules/member/components/view/_aside/_aside-identities.vue.
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🤖 Generated by Copilot at 6a9cf06

emails filtered
no more falsy values shown
bug fixed in autumn

Why

How

🤖 Generated by Copilot at 6a9cf06

• Filter out falsy values from member emails to avoid rendering errors (link)

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screehshots to the PR description for relevant FE changes
• New backend functionality has been unit-tested.
• API documentation has been updated (if necessary) (see docs on API documentation).
• Quality standards are met.