Update EntityLookup.php, it allows a restriction based on a vocabulary VID....

Update EntityLookup.php, it allows a restriction based on a vocabulary VID. Such restriction is necessary if the same item(string/word) is found in two vocabularies and the we only care about the result from one of them.

Closes #3229479

added 55 commits

• 51294793...6b6c11f3 - 53 commits from branch project:6.0.x
• 904ed327 - Update EntityLookup.php, it allows a restriction based on a vocabulary VID....
• d867745f - Applied taxonomy filter to the query.

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