[FEATURE] ``queryFilterMultiple`` operation for QueryBuilder

Usage::

  searchFilter = TYPO3.TypoScript:RawArray {
    constraint1 = 'a'
    constraint2 = TYPO3.TypoScript:RawArray {
      0 = 'b'
      1 = 'c'
    }
  }

  searchQuery = ${Search.queryFilterMultiple(this.searchFilter)}