Stop mutating props in map component

[tusbar]

This prevents $GDV_UNIQUE_FEATURE_ID$ from showing in the preview table and will allow re-rendering if any prop changes.

[buildsize]

File name	Previous Size	New Size	Change
page-_error.js.gz	172 bytes	172 bytes	0 bytes (0%)
page-catalog.js.gz	57.57 KB	57.57 KB	0 bytes (0%)
page-catalogs.js.gz	3.71 KB	3.71 KB	0 bytes (0%)
page-dataset.js.gz	18.54 KB	18.54 KB	0 bytes (0%)
page-doc-publish-your-data.js.gz	3.75 KB	3.75 KB	0 bytes (0%)
page-doc.js.gz	1.92 KB	1.92 KB	0 bytes (0%)
page-events.js.gz	2.52 KB	2.52 KB	0 bytes (0%)
page-harvest.js.gz	3.14 KB	3.14 KB	0 bytes (0%)
page-index.js.gz	6.24 KB	6.24 KB	0 bytes (0%)
page-legal.js.gz	853 bytes	853 bytes	0 bytes (0%)
page-publication-datasets.js.gz	6.14 KB	6.14 KB	0 bytes (0%)
page-publication-organization.js.gz	9.76 KB	9.76 KB	0 bytes (0%)
page-publication-producers.js.gz	5.67 KB	5.67 KB	0 bytes (0%)
page-publication.js.gz	3.88 KB	3.88 KB	0 bytes (0%)
page-search.js.gz	7.99 KB	7.99 KB	0 bytes (0%)
page-doc-link-proxy.js.gz	1.49 KB	1.49 KB	0 bytes (0%)
page-embed-preview.js.gz	4.62 KB	4.62 KB	0 bytes (0%)
chunk-dataset_downloads_preview_table.js.gz	12.96 KB	12.96 KB	0 bytes (0%)
page-_app.js.gz	2.78 KB	2.78 KB	0 bytes (0%)
static-commons-main-[hash].js.gz	136.06 KB	136.06 KB	5 bytes (0%)
chunk-centered_map_map.js.gz	169.98 KB	170.54 KB	578 bytes (0%)

[codecov-io]

Codecov Report

Merging #646 into master will decrease coverage by 0.04%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master    #646      +/-   ##
=========================================
- Coverage    4.93%   4.88%   -0.05%     
=========================================
  Files         111     112       +1     
  Lines        1480    1493      +13     
=========================================
  Hits           73      73              
- Misses       1407    1420      +13

Impacted Files	Coverage Δ
components/centered-map/enhance-map-data.js	0% <0%> (ø)
components/centered-map/map.js	0% <0%> (ø)	⬆️

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[jdesboeufs]

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