[Core] Modify exceptions

[hjhun]

Description of Change

This pull request modifies the descriptions and codes of methods as follows:

• The ChannelReceiver.Receive() can throw the InvalidOperationException.
• The ChannelSender.Send() can throw ArgumentException and InvalidOperationException.
• The Task.Post(action) cannot throw ArgumentException.
• The Task.Post(action) can throw InvalidOperationException.
• The Task.AddChannelReceiver() can throw InvalidOperationException.
• The Task.AddEvent() can throw InvalidOperationException.
• The Task.EmitEvent() can throw InvalidOperationException.
• The Task.Run() can throw InvalidOperationException.
• The Task.Quit() can throw InvalidOperationException.

[upple]

It needs to be modified.

Suggested change

	throw new InvalidOperationException("Failed to run task");
	throw new InvalidOperationException("Failed to quit task");

[hjhun]

Done