fix(lsp): codeActions not found if multiple clients are active (#749)

Author: carloskiki

lua/rustaceanvim/commands/code_action_group.lua

@@ -126,7 +126,7 @@ local function on_code_action_results(results, ctx)
 
   ---@type rustaceanvim.CodeActionItem[]
   local action_items = {}
-  for _, result in ipairs(results) do
+  for _, result in pairs(results) do
     for _, action in ipairs(result.result or {}) do
       table.insert(action_items, { action = action, ctx = ctx })
     end