Its been suggested before some time ago, I think a "sort" option (even a basic one) would be a nice helpful addition.
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Changing the "take all" button to take as much as you can carry however, is a neat idea in theory but in practice may prove just as annoying imo.
E.g
What exactly would it remove from your container?
As many items as you can carry starting from the top?
"Oh it didnt take what I wanted now I have to put all this stuff it did take back before I can take what I originally wanted."
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Lastly, After taking strongback/horder perk (I forget) none of it will matter to you.
The perk allows you to carry as much as you want as long as you're in base.
I understand its annoying having to drop an item before you can take one out of a container, and it would be handy to have the ability of loading/unloading weapons without first removing them from the container. But I don't see these necessary.
In the meantime try to see it as learning item and inventory management, its handy to know how many cookies and condoms you can carry around.