Description: we show up to 25 notifications on the Inbox panel. This volume of messages makes it difficult to parse all the information and we don't offer an easy way to see older messages. The users need to delete messages to see older messages, which is a poor user experience.

Acceptance criteria:

• Change the Inbox messages limit from 25 to 5
• Display the 5 most recent messages with a "Show older" CTA at the bottom of the panel
• Load 10 messages when the user clicks "Show older" and change the CTA copy to "Show more"
• The "Show more" CTA always loads the next 10 messages and it's displayed at the bottom until all messages are loaded

Event Tracking:
We should add a new event to track the new CTA interactions.