Use passworded CI keychain

ios/fastlane/Fastfile

@@ -9,7 +9,7 @@ TEAM_ID = "DQQH5H6GBD"
 PROFILE_NAME = "Sybil AppStore CI"
 SIGNING_IDENTITY = "Apple Distribution: James Magahern (DQQH5H6GBD)"
 CI_KEYCHAIN_NAME = "sybil_ci_keychain"
-CI_KEYCHAIN_PASSWORD = ""
+CI_KEYCHAIN_PASSWORD = "sybil-ci-keychain-password"
 IOS_ROOT = File.expand_path("..", __dir__)
 PROJECT_FILE = File.join(IOS_ROOT, "Sybil.xcodeproj")
 PROJECT_SPEC = File.join(IOS_ROOT, "project.yml")
@@ -126,7 +126,7 @@ platform :ios do
       sh("security set-key-partition-list -S apple-tool:,apple:,codesign: -s -k #{password.shellescape} #{ci_keychain_path.shellescape}", log: false)
     end
 
-    identities = sh("security find-identity -v -p codesigning", log: false)
+    identities = sh("security find-identity -v -p codesigning #{ci_keychain_path.shellescape}", log: false)
     UI.message(identities)
 
     unless identities.include?(SIGNING_IDENTITY)