Instead of synthesizing inline array types, we want to use the ones from the framework when possible (in .NET 10). Contributes to dotnet#74538.

* upstream/main: (123 commits)
  Fix SafeContext of Span-valued collection expressions to match specification (dotnet#80684)
  Improve detection of invalid references for implicitly typed expression variables declared within implicit object creation expressions. (dotnet#80546)
  Add test demonstrating behavior of ToMinimalDisplayString. (dotnet#80757)
  Only set DOTNET_HOST_PATH if something was installed (dotnet#80842)
  Clean up a Razor external access service (dotnet#80830)
  Remove unused statement (dotnet#80823)
  Allow foreach on typed null enumerables (dotnet#80783)
  Update documentation for DeclaringSyntaxReferences and Locations to clarify partial members behavior (dotnet#80704)
  Fix issue converting an auto prop to a full prop when 'field' and 'initializers' are involved
  Rename childIsSimple to innerExpressionHasPrimaryPrecedence and add more test cases
  Remove placeholder WorkItem attributes from new tests
  Fix RemoveUnnecessaryParentheses to detect simple expressions in bitwise operations
  [main] Update dependencies from dotnet/arcade (dotnet#80828)
  Fix ITypeSymbol.BaseType documentation for type parameters (dotnet#80770)
  soft-select select camelcase matched item if user might be typing an undefined type parameter (dotnet#80809)
  Allow semantic tokens in Razor to be better behaved (dotnet#80815)
  Rebase
  Remove using
  Update test
  Add fix all test
  ...