MESH message is fragmented even when it should not be

Hi teams,

AFAIK, 1.0规范定义了每个m网格模型odel messages not to be fragmented.

So, when we use SIG-defined model, each message SHOULD NOT be fragmented, if we make a size mistake.

According to the specification, a single packet can deliver 8,9,10 bytes of message data when using 3,2,1 bytes opcode each.

But, when I tested with MS_access_publish() function, packet fragmentation occurs when more than 5,6,7 bytes are in a packet.

In the other word, MESH SDK handles 3 bytes less than specification.

I am strongly suspicious of unpacked structures which is used in message store. I changed them myself, but no effects.

So, I think the mesh library may have the same issues inside.

Please check about this issue.