Retroarch looks buggy,after selecting a custom executable

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So for example,if I use Retroarch as a runner and also have the standalone version,the problem is,that all the games I added to the standalone retroarch won't show up in the Retroarch runner,and all the cores too,and I won't have the newest Retroarch verion,cause I can't update the runner in my package manager.

So I wanna set,that the standalone Retroarch for example will be used as the runner.

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So if I select the normal Retroarch Executable,then it looks buggy ,but it should look like this.