Refactor default debug level to Fatal

With `Fatal` as a default, it will log all messages until redefined.

src/Registry.ts

@@ -106,7 +106,6 @@ class Registry {
    * @param {DashboardInfo} info Strategy information object.
    */
   static async initialize(info: DashboardInfo): Promise<void> {
-    setDebugLevel(lvlFatal);
     setupCustomLocalize(info.hass);
 
     // Import the Hass States and strategy options.

src/utilities/debug.ts

@@ -40,7 +40,7 @@ export const {
  *
  * @default DebugLevel.Off
  */
-let currentLevel: DebugLevel = DebugLevel.Off;
+let currentLevel: DebugLevel = DebugLevel.Fatal;
 
 /**
  * Extracts the name of the function or method that called the logger from a stack trace string.