json TOK_FLOAT on nordic builds

[neutered]

Describe the bug

• What target platform are you using?

nordic nrf9515-dk w/ a mod to the aws_iot example from their 2.7.0 release.

• What have you tried to diagnose or workaround this issue?

the problem is that TOK_OPAQUE and TOK_FLOAT make the same sort of obj descriptor from the JSON_OBJ_DESCR_xxx macros. this has value have the ‘raw’ value of the float (eg, 0x3e340000 for 0.175 or the address of the opaque thingee) which then gets passed to float_ascii_encode() and then append_bytes() as if were a pointer (it’s not). anyway, i have the naive flaot-to-string running on my local branch but not sure if this goes through nordic or zephyr?

To Reproduce

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[neutered]

forgot to attach my naive thing that uses the current opaque / float tie.
json.patch