Some exceptions are not added into logs, making it hard to find the error message.

[Santiagoebizmarts]

Issue Description

Preconditions

1. Mailchimp for Magento 2 10x.x.34
2. Any Magento version

Steps to reproduce

One example is when an order contains a product that was deleted from Magento. The error message: "The requested product doesn't exist" is only saved in the database table mailchimp_sync_ecommerce making it hard for a normal user to read it.

Actual and Expected result

Add the error message in the logs or in the error table.

Additional information

Places found that are currently not logging errors:

mc-magento2/Cron/Webhook.php

Line 113 in c8c7b0e

} catch (\Exception $e) {

mc-magento2/Model/Api/Order.php

Line 167 in c8c7b0e

} catch (\Exception $e) {

mc-magento2/Model/Api/Order.php

Line 236 in c8c7b0e

} catch (\Exception $e) {

mc-magento2/Model/Plugin/Newsletter/Save.php

Line 102 in c8c7b0e

} catch (\Exception $e) {

mc-magento2/Observer/Adminhtml/Customer/SaveAfter.php

Line 93 in c8c7b0e

} catch (\Exception $e) {

mc-magento2/Model/Api/Cart.php

Line 252 in c8c7b0e

} catch (\Exception $e) {