FIX: Group Requests loading was broken (PR #10855)

We were referencing the wrong property, which meant the footer was always being hidden and we were trying to load more requests when we’d already loaded them all.

see: https://meta.discourse.org/t/constant-loading-on-group-membership-request-tab/166284

GitHub

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https://meta.discourse.org/t/constant-loading-on-group-membership-request-tab/166284/7