Remove per-message Task.Run from Service Bus deserialization (#1379)

* Remove Service Bus inline message Task.Run

Return completed stream tasks for inline message bodies while retaining asynchronous blob-store loading. Add cross-target coverage for round trips, synchronous completion, and stream ownership.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 1347830a-17c5-4248-8e41-fee30d3066b4

* Address Service Bus deserialization test review feedback

Move ServiceBusUtilsTests into the lowercase test project directory and ensure the external stream is disposed even if the test fails.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

* Bump Service Bus patch version to 4.0.4

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

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Co-authored-by: Bernd Verst <beverst@microsoft.com>
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 1347830a-17c5-4248-8e41-fee30d3066b4

Minor version bump (#1406)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Minor version bump (#1406)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Minor version bump (#1406)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Bump Azure Storage Patch Version (#1401)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Bump Azure Storage patch version (#1374)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Bump DT.Core to 3.9.0 (#1362)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Bump minor versions of AzureStorage, DT.Core, and ApplicationInsights (…

…#1339)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Bump minor versions of AzureStorage, DT.Core, and ApplicationInsights (…

…#1339)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>

Bump minor versions of AzureStorage, DT.Core, and ApplicationInsights (…

…#1339)

Co-authored-by: Sophia Tevosyan <stevosyan@microsoft.com>