[lldb] Clear loaded sections even earlier

Follow-up to #138892 fixing breakage on windows. Calling
ClearAllLoadedSections earlier is necessary to avoid throwing out the
work done by the windows process plugin.
diff --git a/lldb/source/Target/Process.cpp b/lldb/source/Target/Process.cpp
index 7c55125..f136271 100644
--- a/lldb/source/Target/Process.cpp
+++ b/lldb/source/Target/Process.cpp
@@ -2675,6 +2675,7 @@
   m_jit_loaders_up.reset();
   m_system_runtime_up.reset();
   m_os_up.reset();
+  GetTarget().ClearAllLoadedSections();
 
   {
     std::lock_guard<std::mutex> guard(m_process_input_reader_mutex);
@@ -2763,7 +2764,6 @@
   }
 
   if (state == eStateStopped || state == eStateCrashed) {
-    GetTarget().ClearAllLoadedSections();
     DidLaunch();
 
     // Now that we know the process type, update its signal responses from the