fix: history selector snacks.nvim live search error (#2870)

lua/avante/ui/selector/providers/snacks.lua

@@ -8,10 +8,12 @@ function M.show(selector)
     Utils.error("Snacks is not set up. Please install and set up Snacks to use it as a file selector.")
     return
   end
-  local function snacks_finder()
+  local function snacks_finder(opts, ctx)
+    local query = ctx.filter.search or ""
     local items = {}
     for i, item in ipairs(selector.items) do
       if not vim.list_contains(selector.selected_item_ids, item.id) then
+        if query == "" or item.title:match(query:gsub("[%(%)%.%%%+%-%*%?%[%]%^%$]", "%%%1")) then
           table.insert(items, {
             formatted = item.title,
             text = item.title,
@@ -27,6 +29,7 @@ function M.show(selector)
           })
         end
       end
+    end
     return items
   end