feat: support multi feature for geojson

[keiya01]

Overview

What I've done

I've supported the multi feature for geojson.
The multi feature includes MultiPoint, MultiLineString and MultiPolygon.

What I haven't done

How I tested

You can use the following sample geojson.

1. Download the sample
2. Set it to .storybook/public
3. Set the path in core/engine/Cesium/index.stories.tsx

sample.zip

Screenshot

Which point I want you to review particularly

Memo

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[codecov]

Codecov Report

Merging #380 (2c172f3) into main (67bc52a) will decrease coverage by 0.00%.
The diff coverage is 20.93%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #380      +/-   ##
==========================================
- Coverage   24.71%   24.71%   -0.01%     
==========================================
  Files         598      598              
  Lines       63102    63143      +41     
  Branches     1255     1258       +3     
==========================================
+ Hits        15598    15605       +7     
- Misses      47458    47492      +34     
  Partials       46       46              

Impacted Files	Coverage Δ
src/core/mantle/data/geojson.ts	32.83% <0.00%> (-33.84%)	⬇️
src/core/mantle/types/index.ts	100.00% <100.00%> (ø)