Fix ExpandedNodeId.Format output for not well formed uri and JSON Verbose WriteStatusCode

Proposed changes

JSON Encoder Verbose encoding WriteStatusCode may produce invalid JSON
ExpandedNodeId.Format does not handle not well formed uri correctly, as in the previous implementation

Related Issues

Fixes #2793
Fixes #2788

Types of changes

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[ ] Enhancement (non-breaking change which adds functionality)
[ ] Test enhancement (non-breaking change to increase test coverage)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected, requires version increase of Nuget packages)
[ ] Documentation Update (if none of the other choices apply)

Checklist

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Codecov Report

Attention: Patch coverage is 66.66667% with 4 lines in your changes missing coverage. Please review.

Project coverage is 54.95%. Comparing base (9c7b321) to head (a588ce3). Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
Stack/Opc.Ua.Core/Types/Utils/Utils.cs	60.00%	2 Missing and 2 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2794 +/- ## ========================================== - Coverage 55.40% 54.95% -0.46% ========================================== Files 349 349 Lines 66055 66076 +21 Branches 13549 13553 +4 ========================================== - Hits 36597 36309 -288 - Misses 25572 25833 +261 - Partials 3886 3934 +48 ```

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OPCFoundation / UA-.NETStandard