Improve error handling in network functions

[TomasTurina]

Description

As part of the development of the communicator component of the new agent, we chose to use boost asio/beast as our networking library, which also works with C++20 coroutines.

The first implementation is missing to check for many network errors that can occur during communication. Currently, any failure is not reported correctly and no recovery attempt is made, so we need to improve error handling.

Tasks to be done:

• Ensure that all functions that use the Boost networking library are within the HTTPClient class.
• Identify functions within the HTTPClient class that do not have error handling.
• Apply changes to improve error handling.
• Ensure that components that use the HTTPClient class (i.e. Communicator) are properly handling network errors/exceptions.