Add profile pictures to people and fix account/workspace deletion (#984)

* Fix LinkedIn URL not redirecting to the right url

* add avatars for people and seeds

* Fix delete account/workspace

* Add people picture on other pages

* Change style of delete button

* Revert modal to previous size

* Fix tests

front/src/modules/activities/components/ActivityRelationPicker.tsx

@@ -216,7 +216,12 @@ export function ActivityRelationPicker({ activity }: OwnProps) {
               pictureUrl={entity.avatarUrl}
             />
           ) : (
-            <PersonChip key={entity.id} name={entity.name} id={entity.id} />
+            <PersonChip
+              key={entity.id}
+              name={entity.name}
+              id={entity.id}
+              pictureUrl={entity.avatarUrl ?? ''}
+            />
           ),
         )}
       </StyledRelationContainer>