GUI should recognise I2CMini, disable current/voltage readouts

[jamesbowman]

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When device is I2CMini, which has no current or voltage sensing, those readouts should be disabled.

[williamkapke]

🤔 How will the I2CMini be identified?

I'm guessing the 'identifier' of the status response (? command) will say 'I2CMini'?

Since this is a fixed length string- I'm also guessing it'll be padded at the end with some whitespace.

[jamesbowman]

Yes, for I2CDriver the status response field identifier field is i2cdriver1:

but for I2CMini has i2cdriverm.