build: Make ImHex fully compile with MSVC and Clang CL

This does NOT make ImHex work yet. However it can now be compiled

main/forwarder/CMakeLists.txt

@@ -10,4 +10,10 @@ add_dependencies(imhex_all main-forwarder)
 set_target_properties(main-forwarder PROPERTIES
         OUTPUT_NAME "imhex"
         RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/../..
-)
+)
+
+if (WIN32)
+    if (MSVC)
+        target_link_options(main-forwarder PRIVATE /MANIFEST:NO)
+    endif()
+endif()