Fixing issue brought up by some unit tests.

packages/server/src/sdk/app/rows/search/utils.ts

@@ -60,6 +60,9 @@ function userColumnMapping(column: string, options: SearchParams) {
 // maps through the search parameters to check if any of the inputs are invalid
 // based on the table schema, converts them to something that is valid.
 export function searchInputMapping(table: Table, options: SearchParams) {
+  if (!table?.schema) {
+    return options
+  }
   for (let [key, column] of Object.entries(table.schema)) {
     switch (column.type) {
       case FieldType.BB_REFERENCE: