Fix announcing researches which depend on mining

Author: ahicks92

scripts/research.lua

@@ -162,7 +162,11 @@ local function localise_trigger(tech, trig)
       end
       table.insert(res, quality_name)
    elseif trig.type == "mine-entity" then
-      table.insert(res, Localising.get_localised_name_with_fallback(prototypes.entity[trig.entity]))
+      local parts = {}
+      for _, e in pairs(trig.entities) do
+         table.insert(parts, Localising.get_localised_name_with_fallback(prototypes.entity[e]))
+      end
+      table.insert(res, FaUtils.localise_cat_table(parts, ", "))
    elseif trig.type == "craft-fluid" then
       table.insert(res, Localising.get_localised_name_with_fallback(prototypes.fluid[trig.fluid]))
       table.insert(res, trig.amount)