Rename .env var to have DB_ prefix for sanitize-by-default setting

.env.example

@@ -32,6 +32,8 @@ DB_PREFIX=null
 DB_DUMP_PATH='/usr/bin'
 DB_CHARSET=utf8mb4
 DB_COLLATION=utf8mb4_unicode_ci
+DB_SANITIZE_BY_DEFAULT=false
+
 
 # --------------------------------------------
 # OPTIONAL: SSL DATABASE SETTINGS
@@ -185,7 +187,6 @@ REQUIRE_SAML=false
 API_THROTTLE_PER_MINUTE=120
 CSV_ESCAPE_FORMULAS=true
 LIVEWIRE_URL_PREFIX=null
-SANITIZE_BY_DEFAULT=false
 
 # --------------------------------------------
 # OPTIONAL: HASHING

config/backup.php

@@ -237,6 +237,6 @@ return [
         ],
     ],
 
-    'sanitize_by_default' => env('SANITIZE_BY_DEFAULT', false),
+    'sanitize_by_default' => env('DB_SANITIZE_BY_DEFAULT', false),
 
 ];