HCK-14265: fix empty key options (#71)

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<table>
<td>
<a href="https://hackolade.atlassian.net/browse/HCK-14265"
title="HCK-14265" target="_blank"><img alt="Sub-bug"
src="https://hackolade.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10303?size=medium"
/>HCK-14265</a> [DB2] Error appears when applying different generation
options for UK and Not Null
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  <br />
 

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## Technical details

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Author: AlikRakhmonov

forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js

@@ -32,12 +32,12 @@ const extractOptionsForComparisonWithRegularPkOptions = (optionHolder = {}) => {
 };
 
 const getCustomPropertiesOfRegularPkForComparisonWithRegularPkOptions = columnJsonSchema => {
-	return extractOptionsForComparisonWithRegularPkOptions(columnJsonSchema.primaryKeyOptions);
+	return extractOptionsForComparisonWithRegularPkOptions(columnJsonSchema.primaryKeyOptions || {});
 };
 
 const getCustomPropertiesOfCompositePkForComparisonWithRegularPkOptions = compositePk => {
 	const optionsForComparison = extractOptionsForComparisonWithRegularPkOptions(compositePk);
-	return [optionsForComparison].filter(o => Object.values(o).some(Boolean));
+	return optionsForComparison;
 };
 
 const wasCompositePkChangedInTransitionFromCompositeToRegular = collection => {

forward_engineering/alterScript/alterScriptHelpers/entityHelpers/uniqueKeyHelper.js

@@ -32,12 +32,12 @@ const extractOptionsForComparisonWithRegularUniqueKeyOptions = optionHolder => {
 };
 
 const getCustomPropertiesOfRegularUniqueKeyForComparisonWithRegularUniqueKeyOptions = columnJsonSchema => {
-	return extractOptionsForComparisonWithRegularUniqueKeyOptions(columnJsonSchema.uniqueKeyOptions);
+	return extractOptionsForComparisonWithRegularUniqueKeyOptions(columnJsonSchema.uniqueKeyOptions || {});
 };
 
 const getCustomPropertiesOfCompositeUniqueKeyForComparisonWithRegularUniqueKeyOptions = compositeUniqueKey => {
 	const optionsForComparison = extractOptionsForComparisonWithRegularUniqueKeyOptions(compositeUniqueKey);
-	return [optionsForComparison].filter(o => Object.values(o).some(Boolean));
+	return optionsForComparison;
 };
 
 const wasCompositeUniqueKeyChangedInTransitionFromCompositeToRegular = collection => {