feat: bulk actions to update conversation objects (#3934)

Added the endpoints for bulk updating conversation objects

Fixes: #3845 #3940 #3943

app/controllers/api/v1/accounts/bulk_actions_controller.rb

@@ -0,0 +1,26 @@
+class Api::V1::Accounts::BulkActionsController < Api::V1::Accounts::BaseController
+  before_action :type_matches?
+
+  def create
+    if type_matches?
+      ::BulkActionsJob.perform_later(
+        account: @current_account,
+        user: current_user,
+        params: permitted_params
+      )
+      head :ok
+    else
+      render json: { success: false }, status: :unprocessable_entity
+    end
+  end
+
+  private
+
+  def type_matches?
+    ['Conversation'].include?(params[:type])
+  end
+
+  def permitted_params
+    params.permit(:type, ids: [], fields: [:status, :assignee_id, :team_id], labels: [add: [], remove: []])
+  end
+end