fix: documentation of snippet cannot be shown when description is list (#92)

Co-authored-by: Bingjia Chen <[email protected]>

Author: ccbhj

lua/blink/cmp/sources/snippets/utils.lua

@@ -22,6 +22,11 @@ function utils.read_snippet(snippet, fallback)
   local prefix = snippet.prefix or fallback
   local description = snippet.description or fallback
   local body = snippet.body
+
+  if type(description) == "table" then
+    description = vim.fn.join(description)
+  end
+
   if type(prefix) == 'table' then
     for _, p in ipairs(prefix) do
       snippets[p] = {