onnxruntime

Fix missing attribute on C# DOrtGetResizedStringTensorElementBuffer delegate (#17901)

### Description
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Fix missing attribute. Causes build error on release xamarin iOS build.

Fix some long lines as well.

### Motivation and Context
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- If it fixes an open issue, please link to the issue here. -->
#16463 - once the dummy extensions nuget package is used this problem
shows up.