(Bedrock) Two Toggleable Modes for Observers

The observer should have toggleable modes similar to the redstone comparator and repeater. The mode variations will change the signal strength output from the observer. Early versions of the observer output a signal strength of 1, and there are a lot of cases where this is useful in redstone design, especially in compact redstone circuits.

I propose that Mode 1, the default mode, would output the max signal strength of 15, which is equivalent to the current function of the observer. Mode 2, would output a signal strength of 1.

The block would need additional textures to provide some type of visual cue to indicate which of the two modes is currently active.