Do not generate liquid ores near fissures

[gaelysam]

I've added noise_params to the ore def for liquid ores, that matches watershed's fissures with a noise_threshold of 0.08, to avoid endless water/lava/acid flowings in fissures. I've also duplicated these 3 ores, with inverted scale of noise_params to generate them on both side of the fault.

But there can still be liquids flows, but much more rarely (for example if they sink into a small cave that leads to a fault). I followed 3 fissures on more than 1000 nodes down and have not seen any liquid in 2 of them. The third was filled by lava because of a volcano. I may try to fix this. But I think it takes part of the game, as long as that's not the case for most of them.

[BetterToAutomateTheWorld]

Im my point of view it's enough, thank you @Gael-de-Sailly for this improvment.

if volcano inside fissures are rare enough, we can just work with this. (Because, clearly 90% of the flowing liquids into fissures has been removed with this PR)

[gaelysam]

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