Passed target state to GDB command handlers, and removed unnecessary PC read

src/DebugServer/Gdb/AvrGdb/CommandPackets/FlashDone.cpp

@@ -23,6 +23,7 @@ namespace DebugServer::Gdb::AvrGdb::CommandPackets
         DebugSession& debugSession,
         const AvrGdbTargetDescriptor& gdbTargetDescriptor,
         const Targets::TargetDescriptor& targetDescriptor,
+        const Targets::TargetState& targetState,
         TargetControllerService& targetControllerService
     ) {
         Logger::info("Handling FlashDone packet");