feat: list merge requests of current brnach

lua/gitlab/state.lua

@@ -325,7 +325,7 @@ M.set_global_keymaps = function()
 
   if keymaps.global.choose_merge_request then
     vim.keymap.set("n", keymaps.global.choose_merge_request, function()
-      require("gitlab").choose_merge_request()
+      require("gitlab").choose_merge_request_by_branch()
     end, { desc = "Choose MR for review", nowait = keymaps.global.choose_merge_request_nowait })
   end
 
@@ -568,6 +568,24 @@ M.dependencies = {
       return opts
     end,
   },
+  merge_requests_by_branch = {
+    endpoint = "/merge_requests_by_branch",
+    key = "merge_requests",
+    state = "MERGE_REQUESTS",
+    refresh = true,
+    method = "POST",
+    body = function(opts)
+      if not opts then
+        opts = {}
+      end
+      local branch = require("gitlab.git").get_current_branch()
+      if branch == nil then
+        error("Invalid payload, branch could not be found!")
+      end
+      opts.branch = branch
+      return opts
+    end,
+  },
   discussion_data = {
     endpoint = "/mr/discussions/list",
     state = "DISCUSSION_DATA",