Merge branch 'fix-username-lookup-case' into 'develop'

useAccountLookup, useGroupLookup: make lookup case insensitive

Closes #1460

See merge request soapbox-pub/soapbox!2597

app/soapbox/api/hooks/accounts/useAccountLookup.ts

@@ -22,7 +22,7 @@ function useAccountLookup(acct: string | undefined, opts: UseAccountLookupOpts =
 
   const { entity: account, isUnauthorized, ...result } = useEntityLookup<Account>(
     Entities.ACCOUNTS,
-    (account) => account.acct === acct,
+    (account) => account.acct.toLowerCase() === acct?.toLowerCase(),
     () => api.get(`/api/v1/accounts/lookup?acct=${acct}`),
     { schema: accountSchema, enabled: !!acct },
   );

app/soapbox/api/hooks/groups/useGroupLookup.ts

@@ -16,7 +16,7 @@ function useGroupLookup(slug: string) {
 
   const { entity: group, isUnauthorized, ...result } = useEntityLookup(
     Entities.GROUPS,
-    (group) => group.slug === slug,
+    (group) => group.slug.toLowerCase() === slug.toLowerCase(),
     () => api.get(`/api/v1/groups/lookup?name=${slug}`),
     { schema: groupSchema, enabled: features.groups && !!slug },
   );