Minor validation order change, marks can still be unloaded even if buffer is invalid

Author: MeanderingProgrammer

lua/render-markdown/ui.lua

@@ -53,13 +53,13 @@ M.clear_valid = function(buf)
     if not vim.api.nvim_buf_is_valid(buf) then
         return false
     end
-    if util.buf_to_win(buf) < 0 then
-        return false
-    end
     if not vim.tbl_contains(state.config.file_types, vim.bo[buf].filetype) then
         return false
     end
     vim.api.nvim_buf_clear_namespace(buf, M.namespace, 0, -1)
+    if util.buf_to_win(buf) < 0 then
+        return false
+    end
     util.set_conceal(buf, state.config.conceal.default)
     return true
 end