Your EFI partition p1 is a quarter of the recommended size.
Technically, you can shrink the p6 partition, then move p2,3,7,6 to the right and then enlarge p1.
So much for the theory. In practice, however, this is likely to go down the drain.
The recommendation here, even if it is the most painful, would be to set up the whole system from scratch.
Or create backups and try resizing. If it doesn't work. Then set up everything new and clean.
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