Module: Get status from first byte after the command

Instead of getting the status from the very first byte in the input
buffer, which will be what we read when we send the first byte. Let's
instead get the status from the first byte after the command. This
provides a more accurate status value.

Signed-off-by: Alistair Francis <alistair@alistair23.me>

src/Module.cpp

@@ -328,7 +328,7 @@ int16_t Module::SPItransferStream(uint8_t* cmd, uint8_t cmdLen, bool write, uint
   // parse status
   int16_t state = RADIOLIB_ERR_NONE;
   if(this->SPIparseStatusCb != nullptr) {
-    state = this->SPIparseStatusCb(buffIn[0]);
+    state = this->SPIparseStatusCb(buffIn[cmdLen]);
   }
   
   // copy the data