Fix weirdness in gopls completions

lua/plugins/completions.lua

@@ -163,6 +163,9 @@ return {
         completion = cmp.config.window.bordered(),
         documentation = cmp.config.window.bordered(),
       },
+
+      -- Don't preselect any completion items, fixes wird behaviour in gopls
+      preselect = cmp.PreselectMode.None,
     })
     require("cmp_git").setup({})