There isn’t afaik, but it’s the 2nd time this week I see this requested so I am going to plug it here:
Would be nifty, the Content Browser is a sliding panel - perhaps a similar idea could be applied elsewhere. Although I fear this is a niche request and would end up fairly low on a priority list.
@Bruno860 do see the tip regarding undocking in the linked thread. At least while you wait for the feature to materialise 