X2: grinding sells: change order amount -> filled.

X2: buy 3: rework.

X2: buy 21: rework.

X2: buy 2: rework.

X2: buy 1: rework.

X2: move the global protection into the buy conditions.

X2: buy 3: rework.

Configs: update the unfilled timeouts.

X2: enable protections for all buy conditions.

X2: handle trades not opened by X2.