Add fallback for display name

[joanagmaia]

Changes proposed ✍️

What

🤖 Generated by Copilot at fd2f3bf

This pull request adds a name field to the organization model and implements fallback logic for displaying organization names in various components. This improves the user experience and consistency of the organization-related features.
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🤖 Generated by Copilot at fd2f3bf

Oh, we're the coders of the sea, and we work on the UI
We make sure that the orgs have names, so the users don't go insane
We heave and ho and push and pull, and we add the name field
And we use the fallback logic, so the display name is always revealed

Why

How

🤖 Generated by Copilot at fd2f3bf

• Add name field to organization model and form (link, link, link)
• Use name field as fallback for display name in various components (link, link, link, link, link, link)
• Update dashboard-organization-item.vue, member-form-organizations.vue, member-organizations.vue, and organization-view-header.vue to handle missing display name (link, link, link, link, link, 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.