fix(metadata): name "observations" rather than "data" in list ds

Replace "Count of data" with "Count of observations", the latter being more precise and relevant.

Author: VincentCauchois

frontend/src/app/metadataModule/metadata.component.html

@@ -196,7 +196,7 @@ <h3 class="main-color">{{ 'MetaData.Catalog' | translate }}</h3>
                     <td>{{ 'MetaData.DatasetName' | translate }}</td>
                     <td>{{ 'MetaData.CreationDate' | translate }}</td>
                     <td>{{ 'MetaData.Stakeholders' | translate }}</td>
-                    <td>{{ 'MetaData.DataAmount' | translate }}</td>
+                    <td>{{ 'MetaData.CountObservations' | translate }}</td>
                     <td>{{ 'Actions.Plural' | translate }}</td>
                   </tr>
                 </thead>

frontend/src/assets/i18n/en.json

@@ -260,7 +260,7 @@
     "Stakeholders": "Stakeholders",
     "DatasetName": "Dataset name",
     "AFName": "Acquisition framework name",
-    "DataAmount": "Amount of data",
+    "CountObservations": "Number of observations",
     "StakeholderOrganization": "Stakeholder (organization)",
     "DataSources": "Data sources",
     "ObservationsSyntheseTooltip": "Synthese",

frontend/src/assets/i18n/fr.json

@@ -260,7 +260,7 @@
     "Stakeholders": "Acteurs",
     "DatasetName": "Nom du jeu de données",
     "AFName": "Nom du cadre d'acquisition",
-    "DataAmount": "Nombre de données",
+    "CountObservations": "Nombre d'observations",
     "StakeholderOrganization": "Acteur (organisme)",
     "DataSources": "Sources des données",
     "ObservationsSyntheseTooltip": "Synthèse ",