Fix some statically detected code issues

This includes: unnecessary semicolons, suppress warnings, switch statements, final/private qualifiers, Optional wrapping, conditionals, both inline and non-inline variables, ternaries, Collection putAll() calls, StringBuilders, and throws declarations.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=244182539

java/google/registry/request/auth/AuthenticatedRegistrarAccessor.java

@@ -293,11 +293,10 @@ public class AuthenticatedRegistrarAccessor {
 
     // both GAE project admin and members of the gSuiteSupportGroupEmailAddress are considered
     // admins for the RegistrarConsole.
-    return bypassAdminCheck
-        ? false
-        : userAuthInfo.isUserAdmin()
+    return !bypassAdminCheck
+        && (userAuthInfo.isUserAdmin()
             || checkIsSupport(
-                lazyGroupsConnection, user.getEmail(), gSuiteSupportGroupEmailAddress);
+                lazyGroupsConnection, user.getEmail(), gSuiteSupportGroupEmailAddress));
   }
 
   /**