Probably not. It takes time to check in, eat & pay, and then get yourself over to Pandora, which will probably be letting people in before the official park opening time.
Tusker House is expensive & you'd waste the experience rushing through it & not meeting many characters (you absolutely will not have time to meet them all if trying to make Navi at rope drop). I recommend scheduling a late morning breakfast there, instead. Do Navi first.
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