fix(forUpdate): forUpdate optional (#1079)

Error introduced in #1074

Author: David-Kunz

hana/lib/HANAService.js

@@ -158,11 +158,12 @@ class HANAService extends SQLService {
       resultQuery.SELECT.forUpdate = undefined
       resultQuery.SELECT.forShareLock = undefined
       const keys = Object.keys(req.target.keys || {})
-      if (keys.length && query.SELECT.forUpdate.ignoreLocked) {
+      if (keys.length && query.SELECT.forUpdate?.ignoreLocked) {
         // REVISIT: No support for count
         // where [keys] in [values]   
         const left = { list: keys.map(k => ({ ref: [k] })) }
         const right = { list: rows.map(r => ({ list: keys.map(k => ({ val: r[k.toUpperCase()] })) })) }
+        resultQuery.SELECT.limit = undefined
         resultQuery.SELECT.where = [left, 'in', right]
       }
       return this.onSELECT({ query: resultQuery, __proto__: req })