Display entire france for empty datasets

[tusbar]

@turf/bbox with return [Infinity, Infinity, Infinity, Infinity] if the dataset is empty.

In that case we still display the map, centered on France.

[buildsize]

File name	Previous Size	New Size	Change
page-_error.js.gz	172 bytes	172 bytes	0 bytes (0%)
page-catalog.js.gz	57.58 KB	57.58 KB	0 bytes (0%)
page-catalogs.js.gz	3.71 KB	3.71 KB	0 bytes (0%)
page-dataset.js.gz	18.54 KB	18.55 KB	10 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	2.47 KB	2.47 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	136.07 KB	136.07 KB	1 bytes (0%)
chunk-centered_map_map.js.gz	171.8 KB	171.98 KB	182 bytes (0%)

[codecov-io]

Codecov Report

Merging #649 into master will increase coverage by 0.03%.
The diff coverage is 7.69%.

@@            Coverage Diff            @@
##           master    #649      +/-   ##
=========================================
+ Coverage     4.9%   4.93%   +0.03%     
=========================================
  Files         112     113       +1     
  Lines        1489    1498       +9     
=========================================
+ Hits           73      74       +1     
- Misses       1416    1424       +8

Impacted Files	Coverage Δ
components/centered-map/enhance-map-data.js	0% <0%> (ø)	⬆️
components/centered-map/empty.js	0% <0%> (ø)
components/dataset/spatial-extent.js	0% <0%> (ø)	⬆️
components/centered-map/map.js	0% <0%> (ø)	⬆️
lib/geo/bbox.js	100% <100%> (ø)	⬆️

---

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[tusbar]

Example: https://geodatagouv-pr-649.herokuapp.com/fr/datasets/ef071ed1653b727062cef514c72dc957eea971cb

A small message is now displayed when the dataset is empty.