FTerm starts on same event as Dashboard (#820)

lua/plugins.lua

@@ -230,7 +230,7 @@ return require("packer").startup(function(use)
   -- Floating terminal
   use {
     "numToStr/FTerm.nvim",
-    event = "BufRead",
+    event = "BufWinEnter",
     config = function()
       require("lv-floatterm").config()
     end,