revert: "pref: using deferred mode for reading, this will speed up ot…

…her Weavers which dont need to read everything"

Deferred doesn't work for some weaver tests. Reverting for now

This reverts commit 4560c7f.

Assets/Mirage/Weaver/Mirage.CecilExtensions/WeaverBase.cs

@@ -164,7 +164,7 @@ private static AssemblyDefinition ReadAssembly(ICompiledAssembly compiledAssembl
                 SymbolReaderProvider = new PortablePdbReaderProvider(),
                 AssemblyResolver = assemblyResolver,
                 ReflectionImporterProvider = new PostProcessorReflectionImporterProvider(),
-                ReadingMode = ReadingMode.Deferred
+                ReadingMode = ReadingMode.Immediate
             };
 
             var assemblyDefinition = AssemblyDefinition.ReadAssembly(new MemoryStream(compiledAssembly.InMemoryAssembly.PeData), readerParameters);