Disable target mismatch check when precise compiler invocations are on (NFCish)

Precise compiler invocations already create a scratch context per
module, so this fallback path doesn't add much there.

rdar://109227800
(cherry picked from commit fbc7f32)

Author: adrian-prantl

lldb/source/Target/Target.cpp

@@ -2929,7 +2929,9 @@ std::optional<SwiftScratchContextReader> Target::GetSwiftScratchContext(
   }
 
   // Opt into the per-module scratch context if we find incompatible triples.
-  if (!m_use_scratch_typesystem_per_module) {
+  if (!m_use_scratch_typesystem_per_module &&
+      !ModuleList::GetGlobalModuleListProperties()
+           .GetUseSwiftPreciseCompilerInvocation()) {
     TargetSP target_sp = exe_scope.CalculateTarget();
     if (lldb_module) {
       auto module_arch = lldb_module->GetArchitecture();