Fix geo areas computations

spec/models/dossier_spec.rb

@@ -1305,7 +1305,7 @@ describe Dossier do
               'type' => 'Polygon'
             },
             properties: {
-              area: 219.0,
+              area: 103.6,
               champ_id: champ_carte.stable_id,
               dossier_id: dossier.id,
               id: geo_area.id,

spec/models/geo_area_spec.rb

@@ -2,15 +2,13 @@ RSpec.describe GeoArea, type: :model do
   describe '#area' do
     let(:geo_area) { build(:geo_area, :polygon) }
 
-    it { expect(geo_area.area).to eq(219.0) }
+    it { expect(geo_area.area).to eq(103.6) }
   end
 
   describe '#area (hourglass polygon)' do
     let(:geo_area) { build(:geo_area, :hourglass_polygon) }
 
-    # This test fails in my local environement end the problem exists in production.
-    # Must be some mismatch between CI/production. I still want this fix in production.
-    it.pending { expect(geo_area.area).to be_nil }
+    it { expect(geo_area.area).to eq(32.4) }
   end
 
   describe '#length' do