feat: Remove slug field from ResearchStudy model and update related references

research/admin.py

@@ -5,13 +5,13 @@ from research.models import ResearchStudy, ResearchStudyArm, ResearchParticipant
 
 @admin.register(ResearchStudy)
 class ResearchStudyAdmin(admin.ModelAdmin):
-    list_display = ['name', 'slug', 'active', 'generation_mode', 'randomisation_mode', 'created_at']
+    list_display = ['id', 'name', 'active', 'generation_mode', 'randomisation_mode', 'created_at']
     list_filter = ['active', 'generation_mode', 'randomisation_mode', 'created_at']
-    search_fields = ['name', 'slug', 'description']
+    search_fields = ['name', 'description']
     readonly_fields = ['created_at', 'updated_at']
     fieldsets = (
         ('Study Information', {
-            'fields': ('name', 'slug', 'description', 'active')
+            'fields': ('name', 'description', 'active')
         }),
         ('Participant Creation', {
             'fields': ('generation_mode', 'collect_demographics'),
@@ -64,7 +64,7 @@ class ResearchStudyArmAdmin(admin.ModelAdmin):
 class ResearchParticipantAdmin(admin.ModelAdmin):
     list_display = ['pseudo_id', 'study', 'assigned_arm', 'cid_user_display', 'consented', 'assigned_at']
     list_filter = ['study', 'assigned_arm', 'consented', 'created_at']
-    search_fields = ['pseudo_id', 'study__slug', 'cid_user__cid', 'email']
+    search_fields = ['pseudo_id', 'study__name', 'cid_user__cid', 'email']
     readonly_fields = ['created_at', 'updated_at', 'cid_user_info']
     fieldsets = (
         ('Study & ID', {