Merge remote-tracking branch '28796/add-unique-ket-on-eav-attribut-option-value' into comm_prs_248beta1

Author: Indraniks

app/code/Magento/Eav/etc/db_schema.xml

@@ -463,6 +463,10 @@
         <constraint xsi:type="foreign" referenceId="EAV_ATTRIBUTE_OPTION_VALUE_STORE_ID_STORE_STORE_ID"
                     table="eav_attribute_option_value" column="store_id" referenceTable="store"
                     referenceColumn="store_id" onDelete="CASCADE"/>
+        <constraint xsi:type="unique" referenceId="EAV_ATTRIBUTE_OPTION_VALUE_STORE_ID_OPTION_ID">
+            <column name="store_id"/>
+            <column name="option_id"/>
+        </constraint>
         <index referenceId="EAV_ATTRIBUTE_OPTION_VALUE_OPTION_ID" indexType="btree">
             <column name="option_id"/>
         </index>

app/code/Magento/Eav/etc/db_schema_whitelist.json

@@ -290,7 +290,8 @@
         "constraint": {
             "PRIMARY": true,
             "EAV_ATTR_OPT_VAL_OPT_ID_EAV_ATTR_OPT_OPT_ID": true,
-            "EAV_ATTRIBUTE_OPTION_VALUE_STORE_ID_STORE_STORE_ID": true
+            "EAV_ATTRIBUTE_OPTION_VALUE_STORE_ID_STORE_STORE_ID": true,
+            "EAV_ATTRIBUTE_OPTION_VALUE_STORE_ID_OPTION_ID": true
         }
     },
     "eav_attribute_label": {