Build a hash when updating stack state and state_reason

Signed-off-by: Rashed Kamal <rashed.kamal@broadcom.com>

Author: rashedkvm

app/actions/stack_update.rb

@@ -12,8 +12,11 @@ def initialize(user_audit_info)
 
     def update(stack, message)
       stack.db.transaction do
-        stack.update(state: message.state) if message.requested?(:state)
-        stack.update(state_reason: message.state_reason) if message.requested?(:state_reason)
+        stack_updates = {}
+        stack_updates[:state] = message.state if message.requested?(:state)
+        stack_updates[:state_reason] = message.state_reason if message.requested?(:state_reason)
+        stack.update(stack_updates) if stack_updates.any?
+
         MetadataUpdate.update(stack, message)
         Repositories::StackEventRepository.new.record_stack_update(stack, @user_audit_info, message.audit_hash)
       end