feat: Ability to update avatars from super admin (#7264)

- Ability to update user avatars from super admin
- Ability to update bot avatars from super admin

fixes: #7060

spec/controllers/super_admin/agent_bots_controller_spec.rb

@@ -22,4 +22,25 @@ RSpec.describe 'Super Admin agent-bots API', type: :request do
       end
     end
   end
+
+  describe 'DELETE /super_admin/agent_bots/:id/destroy_avatar' do
+    let!(:agent_bot) { create(:agent_bot, :with_avatar) }
+
+    context 'when it is an unauthenticated super admin' do
+      it 'returns unauthorized' do
+        delete "/super_admin/agent_bots/#{agent_bot.id}/avatar", params: { attachment_id: agent_bot.avatar.id }
+        expect(response).to have_http_status(:redirect)
+        expect(agent_bot.reload.avatar).to be_attached
+      end
+    end
+
+    context 'when it is an authenticated super admin' do
+      it 'destroys the avatar' do
+        sign_in(super_admin, scope: :super_admin)
+        delete "/super_admin/agent_bots/#{agent_bot.id}/avatar", params: { attachment_id: agent_bot.avatar.id }
+        expect(response).to have_http_status(:redirect)
+        expect(agent_bot.reload.avatar).not_to be_attached
+      end
+    end
+  end
 end