FlatGeobuf format support

[stefanocudini]

Fix issue #11749 introducing the FlatGeobuf format support as new layer loaded from remote resource.

Flatgeobuf library version supported is last 4.3.3

and added a new .fgb files and metadata sample for CI tests here:
https://github.com/stefanocudini/MapStore2/tree/fix-11749-flatgeobuf/web/client/test-resources/flatgeobuf

Description

• new FlatGeobuf API catalog and connect in metadataexplorer
• load dynamically flatgeobuf library dep
• some unit tests flatgebouf api and catalog api
• define FlatGeobuf OL Layer
• define FlatGeobuf Cesium Layer (3D mode)
• enable Mapinfo identify for flatgeobuf layers
• update docs about FlatGeobu specs
• use loader with strategy using default bbox OL
• style editor enabled flatgeobuf layer type

What kind of change does this PR introduce? (check one with "x", remove the others)

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:

Issue

What is the new behavior?
Support loading FlatGeobuf (remote .fgb files) from catalog

flatgeobuf.mp4

Breaking change

Does this PR introduce a breaking change? (check one with "x", remove the other)

• Yes, and I documented them in migration notes
• No

Other useful information

• In this PR the visual style editor is not working due to the lack of specific rules for this format
• to optimize metadata retrieve we need to replace .deserialize() with new method .readMetadata() when available in flatgeobuf lib > v4.4.5
  just merged here:
  flatgeobuf/flatgeobuf@15f137c