morgul pedestal: support "new" pedestal run method

Interleaves G1, G2 forced gain mode with G0 regular runs to reduce heating effect, pattern is 200 x (19 G0, 1 forced G1) + 200 x (19 G0, 1 forced G2)

Start by locating the pedestal run method and the existing handling for G0, G1, and G2 runs. Trace how a regular pedestal run is configured, then verify the new method produces 200 repetitions of 19 G0 runs followed by one forced G1 run, followed by 200 repetitions with forced G2. Done means the sequence is supported and its behavior is covered by an appropriate test.

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