gold -> copper in elven mana spreader description (#4495)

Xplat/src/main/resources/assets/botania/lang/en_us.json

@@ -2078,7 +2078,7 @@
 
   "botania.entry.dreamwoodSpreader": "Elven Mana Spreaders",
   "botania.tagline.dreamwoodSpreader": "Harder, better, faster, stronger",
-  "botania.page.dreamwoodSpreader0": "When it comes right down to it, $(l:alfhomancy/elf_resources)$(item)Dreamwood$(0)$(/l) simply conducts $(thing)Mana$(0) better than $(l:basics/pure_daisy)$(item)Livingwood$(0)$(/l). A few adjustments in recipe (like substituting $(l:alfhomancy/elf_resources)$(item)Elementium$(0)$(/l) for $(item)Gold$(0)) yield an $(item)Elven Mana Spreader$(0), which conducts more $(thing)Mana$(0), faster, and for longer without $(thing)Mana Loss$(0).$(p)Unfortunately, these can't be turned into $(l:mana/redstone_spreader)$(item)Pulse Mana Spreaders$(0)$(/l).",
+  "botania.page.dreamwoodSpreader0": "When it comes right down to it, $(l:alfhomancy/elf_resources)$(item)Dreamwood$(0)$(/l) simply conducts $(thing)Mana$(0) better than $(l:basics/pure_daisy)$(item)Livingwood$(0)$(/l). A few adjustments in recipe (like substituting $(l:alfhomancy/elf_resources)$(item)Elementium$(0)$(/l) for $(item)Copper$(0)) yield an $(item)Elven Mana Spreader$(0), which conducts more $(thing)Mana$(0), faster, and for longer without $(thing)Mana Loss$(0).$(p)Unfortunately, these can't be turned into $(l:mana/redstone_spreader)$(item)Pulse Mana Spreaders$(0)$(/l).",
   "botania.page.dreamwoodSpreader1": "Better spreaders, that's it",
   "botania.page.dreamwoodSpreader2": "Combining this already-powerful spreader with a $(l:alfhomancy/gaia_ritual)$(item)Gaia Spirit$(0)$(/l) and a $(l:alfhomancy/elf_resources)$(item)Dragonstone$(0)$(/l) gem yields an even more potent variant. The $(item)Gaia Spreader$(0) is the gold standard of $(l:mana/spreader)$(item)Mana Spreaders$(0)$(/l), with upgrades pretty much all around.$(p)Do note that these spreaders fire larger payloads at once (and thus might fire less often).",
   "botania.page.dreamwoodSpreader3": "The ultimate Mana Spreader",