Excluding certain layers from the legend in print tool

[MV88]

Description

The request is to hide a list of prefixed layers from a configuration property so that these layers will never be included in legends list that is sent to mapfishprint

Acceptance criteria

• allow list of fixed layers to be specified in print plugin
• make sure these layers are excluded from legends

Other useful information

Suggestion for implementation

• a new string[] cfg option called excludeLayersFromLegend:[] for Print plugin will be created, be default empty array list, it will contain a list or strings with :
• this option will be passed to the printcreators here

  MapStore2/web/client/plugins/Print.jsx

  Line 606 in d70bae0

  this.props.printingService.print({

• then here

  MapStore2/web/client/utils/PrintUtils.js

  Line 577 in d70bae0

  export const getMapfishLayersSpecification = (layers, spec, state, purpose) => {

  there will be the filtering