change species-related tables to always show unique identifier column

frontend/src/components/CrossSearch/CrossSearchTable.tsx

@@ -426,6 +426,7 @@ export const CrossSearchTable = ({ selectorFn }: { selectorFn?: (newObject: Cros
         accessorFn: row => row.unique_identifier || '',
         header: 'Unique Identifier',
         size: 20,
+        enableHiding: false,
         filterFn: 'contains',
       },
       {
@@ -869,7 +870,7 @@ export const CrossSearchTable = ({ selectorFn }: { selectorFn?: (newObject: Cros
     suborder_or_superfamily_name: false,
     family_name: false,
     subfamily_name: false,
-    unique_identifier: false,
+    unique_identifier: true,
     taxonomic_status: false,
     orig_entry: false,
     source_name: false,

frontend/src/components/Locality/Tabs/OccurrencesTab.tsx

@@ -205,10 +205,12 @@ export const OccurrencesTab = () => {
     },
     {
       accessorKey: 'com_species.genus_name',
+      enableHiding: false,
       header: 'Genus',
     },
     {
       accessorKey: 'com_species.species_name',
+      enableHiding: false,
       header: 'Species',
     },
     {
@@ -225,6 +227,7 @@ export const OccurrencesTab = () => {
     },
     {
       accessorKey: 'com_species.unique_identifier',
+      enableHiding: false,
       header: 'Unique Identifier',
     },
     {

frontend/src/components/Species/SpeciesTable.tsx

@@ -201,6 +201,7 @@ export const SpeciesTable = ({ selectorFn }: { selectorFn?: (id: Species) => voi
         accessorFn: row => row.unique_identifier || '',
         header: 'Unique Identifier',
         size: 20,
+        enableHiding: false,
         filterFn: 'contains',
       },
       {