AutoPerf: Replace RuleAppCost with long #3105

Tests

• ❌ key.core.testgen:test (12 succeeded, 1 failed)
• ❌ key.core:test (2903 succeeded, 41 failed, 102 skipped)
• ❌ key.core:testProveRules (0 succeeded, 198 failed)
• ❌ key.core:testRunAllFunProofs (32 succeeded, 2 failed)
• ✅ key.core:testRunAllInfProofs (29 succeeded)
• ✅ key.removegenerics:test (45 succeeded)
• ✅ key.ui:test (5 succeeded)
• ✅ key.util:test (132 succeeded)
• ❌ keyext.exploration:test (2 succeeded, 1 failed)
• ❌ keyext.slicing:test (3 succeeded, 9 failed)
• ✅ recoder:test (14 succeeded, 15 skipped)