fix(flash): don't override R in normal mode

lua/lazyvim/plugins/extras/editor/flash.lua

@@ -34,7 +34,7 @@ return {
       },
       {
         "R",
-        mode = { "n", "o", "x" },
+        mode = { "o", "x" },
         function()
           require("flash").treesitter_search()
         end,