2.0.14's cache migrations do not respect core.cache:storage_path

[smoofra]

Environment details

• Operating System+version: Mac OS 13.4.1
• Compiler+version: n/a
• Conan version: 2.0.14
• Python version: 3.10.8

Steps to reproduce

• install conan 2.0.13

• set core.cache:storage_path to something other than ~/.conan2/p. remove ~/.conan2/p

• upgrade to conan 2.0.14

• try to use conan, it will fail with "Could not complete the 2.0.14 DB migration"

Logs

➜  conan  list \*    
WARN: Upgrade cache from Conan version '2.0.13'
WARN: Running 2.0.14 Cache DB migration to add LRU column
ERROR: unable to open database file