fix table and field agent on formField

- show Host to Host
- set field agent to optional with default value `''`

src/pages/master/provider/blocks/EditDialog.tsx

@@ -145,7 +145,7 @@ const EditDialog = () => {
         type: response?.data.type,
         status: response?.data.status,
         transaction_type: response?.data.transaction_type.id,
-        agent: response?.data.agent.id
+        agent: response?.data.agent?.id || ''
       }));
     }
   }, []);

src/pages/master/provider/hooks/ManageProviderContext.tsx

@@ -94,7 +94,13 @@ const ManageProviderContextProvider = ({ children }: { children: React.ReactNode
         }
       },
       {
-        accessorFn: (row) => row.provider_type,
+        accessorFn: (row) => {
+          const typeMapping: Record<string, string> = {
+            h2h: 'Host To Host',
+            agent: 'Agent'
+          };
+          return typeMapping[row.provider_type] || row.provider_type;
+        },
         id: 'type',
         header: ({ column }) => <DataGridColumnHeader title="Type" column={column} />,
         enableSorting: false,