JIT: update switch flags after peel

[AndyAyersMS]

If we introduce a temp for the switch operand, the switch node may have extra flags
set that it doesn't need. Reset these based on the operand.

Closes #53548.

[AndyAyersMS]

cc @dotnet/jit-contrib

[AndyAyersMS]

Windows test failure:

    System.Net.Security.Tests.ApmSslStreamSystemDefaultTest.ClientAndServer_OneOrBothUseDefault_Ok(clientProtocols: Tls11, serverProtocols: Tls | Tls11 | Tls12) [FAIL]
      System.ObjectDisposedException : Safe handle has been closed.
      Object name: 'SafeHandle'.
      Stack Trace:
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/InteropServices/SafeHandle.cs(148,0): at System.Runtime.InteropServices.SafeHandle.DangerousAddRef(Boolean& success)
        /_/src/libraries/Common/src/System/Net/Security/SafeCredentialReference.cs(33,0): at System.Net.Security.SafeCredentialReference..ctor(SafeFreeCredentials target)
        /_/src/libraries/Common/src/System/Net/Security/SafeCredentialReference.cs(25,0): at System.Net.Security.SafeCredentialReference.CreateReference(SafeFreeCredentials target)
        /_/src/libraries/System.Net.Security/src/System/Net/Security/SslSessionsCache.cs(225,0): at System.Net.Security.SslSessionsCache.<CacheCredential>g__ShrinkCredentialCache|5_0()
        /_/src/libraries/System.Net.Security/src/System/Net/Security/SslSessionsCache.cs(182,0): at System.Net.Security.SslSessionsCache.CacheCredential(SafeFreeCredentials creds, Byte[] thumbPrint, SslProtocols sslProtocols, Boolean isServer, EncryptionPolicy encryptionPolicy)

[AndyAyersMS]

Looks like a unique failure, but also unrelated. Going to retry.