Explicitly enforce IDE0055 as a warning in .editorconfig

.editorconfig

@@ -37,6 +37,10 @@ indent_size = 2
 
 # Dotnet code style settings:
 [*.{cs,vb}]
+
+# IDE0055: Fix formatting
+dotnet_diagnostic.IDE0055.severity = warning
+
 # Sort using and Import directives with System.* appearing first
 dotnet_sort_system_directives_first = true
 dotnet_separate_import_directive_groups = false