port: Upgrade named pipes to use new streaming library. (#6147)

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The changes in Upgrade named pipes to use new streaming library. (#6147) may need to be ported to maintain parity with microsoft/botbuilder-dotnet.

Fixes #6003

Description

This change upgrades Named Pipes to use new Microsoft.Bot.Connector.Streaming library in v4. This will enable the deprecation of the old Microsoft.Bot.Streaming library in v5.

Specific Changes

• Refactored common code for streaming transport, streaming connection, and streaming client into respective abstract classes: StreamingTransport, StreamingConnection, and StreamingTransportClient.
• Created new named pipe classes to derive from the above abstract classes: NamedPipeTransport, NamedPipeStreamingConnection, and NamedPipeClient.
• Refactored the corresponding web socket classes.

Testing

Verified the following scenarios for CloudAdapter, and BotFrameworkHttpAdapter:

• Echo sample with Named Pipes on localhost, and DirectLine ASE
• Skill sample with Named Pipes on localhost, and DirectLine ASE
• Regression tested web socket functionality for echo sample and skill sample
• Unit tests passed

Please review and, if necessary, port the changes.