* Start draft for new Parameter structure
* Add the rest of the methods
* EnumParameter
* QueryBasedDropdownParameter
* DateParameter
* DateRangeParameter
* Update Parameter usage on code
* Merge dynamicValue into normalizedValue
* Add updateLocals and omit unwanted props
* Allow null NumberParameter and omit parentQueryId
* Rename parameter getValue to getExecutionValue
* Update $$value to normalizedValue + omit on save
* Add a few comments
* Remove ngModel property from Parameter
* Use value directly in DateRangeParameter
* Use simpler separator for DateRange url param
* Add backward compatibility
* Use normalizeValue null value for isEmpty
* Start creating jest tests
* Add more tests
* Normalize null value for multi mode in Enum
* Use saved value for param isEmpty
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