fix: show zero default for column (#1681)

Author: Raubzeug

src/containers/Tenant/Schema/SchemaViewer/prepareData.ts

@@ -64,7 +64,7 @@ function prepareRowTableSchema(data: TTableDescription = {}): SchemaData[] {
             type: Type,
             notNull: NotNull,
             autoIncrement: Boolean(DefaultFromSequence),
-            defaultValue: Object.values(DefaultFromLiteral?.value || {})[0] || '-',
+            defaultValue: Object.values(DefaultFromLiteral?.value || {})[0] ?? '-',
             familyName,
             prefferedPoolKind,
             columnCodec,