You cannot make presets from transitions.
There was one version of CC that did allow to make preset for cross dissolve, but that feature got dropped very fast as it did not work as well as expected.
Default is Centre at Cut.
The way the clips are trimmed also determines the position of the cross dissolve. https://helpx.adobe.com/premiere-pro/using/transition-overview-applying-transitions.html
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Adobe Certified Expert Premiere Pro CS6/CC
Adobe Community Professional
Phone footage has variable framerate whtch Premiere cannot handle.
You cannot use AME it does not correct the framerate.
Convert with https://handbrake.fr/ to constant framerate.
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Adobe Certified Expert Premiere Pro CS6/CC
Adobe Community Professional