fix(dossier): tag can contain non breaking space

app/models/concerns/tags_substitution_concern.rb

@@ -42,7 +42,7 @@ module TagsSubstitutionConcern
 
     define_combinator :tag_text do
       join(single(tag_text_first_char) + many(tag_text_char)).fmap do |str|
-        str.force_encoding('utf-8').encode
+        str.force_encoding('utf-8').encode.gsub(/[[:space:]]/, ' ')
       end
     end
 

app/models/types_de_champ/type_de_champ_base.rb

@@ -15,7 +15,7 @@ class TypesDeChamp::TypeDeChampBase
     stable_id = self.stable_id
     [
       {
-        libelle: libelle,
+        libelle: libelle.gsub(/[[:space:]]/, ' '),
         id: "tdc#{stable_id}",
         description: description,
         lambda: -> (champs) {

spec/models/concern/tags_substitution_concern_spec.rb

@@ -519,5 +519,14 @@ describe TagsSubstitutionConcern, type: :model do
         { tag: "numéro-du - dossier" }
       ])
     end
+
+    it 'normalize white spaces' do
+      tokens = TagsSubstitutionConcern::TagsParser.parse("hello --Jour(s) fixe(s)\xc2\xA0souhaité(s)\xc2\xA0:-- world".encode('utf-8'))
+      expect(tokens).to eq([
+        { text: "hello " },
+        { tag: "Jour(s) fixe(s) souhaité(s) :" },
+        { text: " world" }
+      ])
+    end
   end
 end