fix(fe): guard against null addresses in publications table

Author: SiegfriedBz

apps/fe/app/(routes)/publications/_components/table/columns.tsx

@@ -1,9 +1,5 @@
 "use client"
 
-import { type Publication, PublicationStatusSchema } from "@packages/schema"
-import { ChainIdToNetwork } from "@packages/utils"
-import type { ColumnDef } from "@tanstack/react-table"
-import { CircleOffIcon, CircleSlash2Icon, DicesIcon } from "lucide-react"
 import { AddressDisplay } from "@/app/_components/address-display"
 import { NetworkBadge, networkOptions } from "@/app/_components/network-badge"
 import {
@@ -12,6 +8,10 @@ import {
 } from "@/app/_components/publication-status-badge"
 import { TypographySmall } from "@/app/_components/typography"
 import { Badge } from "@/components/ui/badge"
+import { type Publication, PublicationStatusSchema } from "@packages/schema"
+import { ChainIdToNetwork } from "@packages/utils"
+import type { ColumnDef } from "@tanstack/react-table"
+import { CircleOffIcon, CircleSlash2Icon, DicesIcon } from "lucide-react"
 
 export const columns: ColumnDef<Publication>[] = [
 	{
@@ -87,7 +87,17 @@ export const columns: ColumnDef<Publication>[] = [
 				Publisher
 			</TypographySmall>
 		),
-		cell: ({ row }) => <AddressDisplay address={row.getValue("publisher")} />,
+		cell: ({ row }) => {
+			const publisher = row.getValue<string | null>("publisher")
+			if (!publisher) {
+				return (
+					<TypographySmall className="text-muted-foreground text-xs">
+						—
+					</TypographySmall>
+				)
+			}
+			return <AddressDisplay address={publisher} />
+		},
 	},
 	{
 		accessorKey: "reviewers",

apps/fe/app/_components/address-display.tsx

@@ -1,9 +1,9 @@
 "use client"
 
-import { CheckIcon, CopyIcon } from "lucide-react"
-import { type FC, useCallback, useState } from "react"
 import { Button } from "@/components/ui/button"
 import { cn } from "@/lib/utils"
+import { CheckIcon, CopyIcon } from "lucide-react"
+import { type FC, useCallback, useState } from "react"
 import { TypographySmall } from "./typography"
 
 const DELAY = 2_000
@@ -16,6 +16,8 @@ type Props = {
 export const AddressDisplay: FC<Props> = ({ address, className }) => {
 	const [copied, setCopied] = useState(false)
 
+	if (!address) return null
+
 	const displayAddress = `${address.slice(0, 6)}...${address.slice(-4)}`
 
 	const copyToClipboard = useCallback(