align editor config with other libraries (#3079)

.editorconfig

@@ -1,7 +1,4 @@
-# Note: MSAL rules used as a starting point
-
 # editorconfig.org
-# Copied from the .NET Core repo https://github.com/dotnet/corefx/blob/master/.editorconfig
 
 # top-most EditorConfig file
 root = true
@@ -13,7 +10,7 @@ root = true
 insert_final_newline = true
 indent_style = space
 indent_size = 4
-dotnet_diagnostic.CA1308.severity=warning
+trim_trailing_whitespace = true
 
 [project.json]
 indent_size = 2
@@ -33,6 +30,7 @@ csharp_new_line_between_query_expression_clauses = true
 csharp_indent_block_contents = true
 csharp_indent_braces = false
 csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = true
 csharp_indent_switch_labels = true
 csharp_indent_labels = one_less_than_current
 
@@ -84,24 +82,42 @@ dotnet_naming_style.camel_case_underscore_style.required_prefix = _
 dotnet_naming_style.camel_case_underscore_style.capitalization = camel_case 
 
 # Code style defaults
+csharp_using_directive_placement = outside_namespace:suggestion
 dotnet_sort_system_directives_first = true
-csharp_preserve_single_line_blocks = true
-csharp_preserve_single_line_statements = false
+csharp_prefer_braces = true:silent
+csharp_preserve_single_line_blocks = true:none
+csharp_preserve_single_line_statements = false:none
+csharp_prefer_static_local_function = true:suggestion
+csharp_prefer_simple_using_statement = false:none
+csharp_style_prefer_switch_expression = true:suggestion
+
+# Code quality
+dotnet_style_readonly_field = true:suggestion
+dotnet_code_quality_unused_parameters = non_public:suggestion
 
 # Expression-level preferences
 dotnet_style_object_initializer = true:suggestion
 dotnet_style_collection_initializer = true:suggestion
 dotnet_style_explicit_tuple_names = true:suggestion
 dotnet_style_coalesce_expression = true:suggestion
 dotnet_style_null_propagation = true:suggestion
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
+dotnet_style_prefer_auto_properties = true:suggestion
+dotnet_style_prefer_conditional_expression_over_assignment = true:silent
+dotnet_style_prefer_conditional_expression_over_return = true:silent
+csharp_prefer_simple_default_expression = true:suggestion
 
 # Expression-bodied members
-csharp_style_expression_bodied_methods = false:none
-csharp_style_expression_bodied_constructors = false:none
-csharp_style_expression_bodied_operators = false:none
-csharp_style_expression_bodied_properties = true:none
-csharp_style_expression_bodied_indexers = true:none
-csharp_style_expression_bodied_accessors = true:none
+csharp_style_expression_bodied_methods = true:silent
+csharp_style_expression_bodied_constructors = true:silent
+csharp_style_expression_bodied_operators = true:silent
+csharp_style_expression_bodied_properties = true:silent
+csharp_style_expression_bodied_indexers = true:silent
+csharp_style_expression_bodied_accessors = true:silent
+csharp_style_expression_bodied_lambdas = true:silent
+csharp_style_expression_bodied_local_functions = true:silent
 
 # Pattern matching
 csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
@@ -112,6 +128,11 @@ csharp_style_inlined_variable_declaration = true:suggestion
 csharp_style_throw_expression = true:suggestion
 csharp_style_conditional_delegate_call = true:suggestion
 
+# Other features
+csharp_style_prefer_index_operator = false:none
+csharp_style_prefer_range_operator = false:none
+csharp_style_pattern_local_over_anonymous_function = false:none
+
 # Space preferences
 csharp_space_after_cast = false
 csharp_space_after_colon_in_inheritance_clause = true
@@ -136,6 +157,10 @@ csharp_space_between_method_declaration_parameter_list_parentheses = false
 csharp_space_between_parentheses = false
 csharp_space_between_square_brackets = false
 
+# Analyzers
+dotnet_code_quality.CA1802.api_surface = private, internal
+dotnet_code_quality.CA2208.api_surface = public
+
 # Id Web Rules
 
 # RS0030: Do not used banned APIs
@@ -238,6 +263,9 @@ dotnet_diagnostic.CA1067.severity = error
 # CA1068: CancellationToken parameters must come last
 dotnet_diagnostic.CA1068.severity = error
 
+# CA1308: Normalize strings to uppercase
+dotnet_diagnostic.CA1308.severity=warning
+
 # CA1505: Avoid unmaintainable code
 dotnet_diagnostic.CA1505.severity = error
 
@@ -558,6 +586,9 @@ indent_brace_style = Allman
 [*.{csproj,vcxproj,vcxproj.filters,proj,nativeproj,locproj}]
 indent_size = 2
 
+[*.{csproj,vbproj,proj,nativeproj,locproj}]
+charset = utf-8
+
 # Xml build files
 [*.builds]
 indent_size = 2