Clean up conditional, don't set load binaries twice

Follow Alex Langford's feedback to my patch from
https://reviews.llvm.org/D145547 , and fix a
side issue I noticed while testing this, where
binaries loaded via LC_NOTE metadata were loaded
in the Target twice unnecessarily.

Author: jasonmolenda

lldb/source/Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.cpp

@@ -812,11 +812,10 @@ bool DynamicLoaderDarwinKernel::KextImageInfo::LoadImageUsingMemoryModule(
       }
     }
 
-    if (m_module_sp && m_uuid.IsValid() && m_module_sp->GetUUID() == m_uuid) {
-      ObjectFileMachO *ondisk_objfile_macho =
-          llvm::dyn_cast_or_null<ObjectFileMachO>(
-              m_module_sp ? m_module_sp->GetObjectFile() : nullptr);
-      if (ondisk_objfile_macho) {
+    if (m_module_sp && m_uuid.IsValid() && m_module_sp->GetUUID() == m_uuid &&
+        m_module_sp->GetObjectFile()) {
+      if (ObjectFileMachO *ondisk_objfile_macho =
+              llvm::dyn_cast<ObjectFileMachO>(m_module_sp->GetObjectFile())) {
         if (!IsKernel() && !ondisk_objfile_macho->IsKext()) {
           // We have a non-kext, non-kernel binary.  If we already have this
           // loaded in the Target with load addresses, don't re-load it again.

lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp

@@ -7032,6 +7032,8 @@ bool ObjectFileMachO::LoadCoreFileImages(lldb_private::Process &process) {
           &process, image.filename, image.uuid, image.load_address,
           false /* value_is_offset */, image.currently_executing,
           false /* notify */);
+      if (module_sp)
+        continue;
     }
 
     // If we have a slide, we need to find the original binary
@@ -7042,6 +7044,8 @@ bool ObjectFileMachO::LoadCoreFileImages(lldb_private::Process &process) {
           &process, image.filename, image.uuid, image.slide,
           true /* value_is_offset */, image.currently_executing,
           false /* notify */);
+      if (module_sp)
+        continue;
     }
 
     // Try to find the binary by UUID or filename on the local