Fix project settings resetting on domain reload (#678)

* Fix build on Windows

* Don't save setting on each plugin init

* Revert "Fix build on Windows"

This reverts commit ff03ffd.

* Fix code style

Author: berniegp

source/IOSResolver/src/IOSResolver.cs

@@ -724,7 +724,7 @@ private static Assembly ResolveUnityEditoriOSXcodeExtension(
     /// </summary>
     static IOSResolver() {
         // Load log preferences.
-        VerboseLoggingEnabled = VerboseLoggingEnabled;
+        UpdateLoggerLevel(VerboseLoggingEnabled);
 
         // NOTE: We can't reference the UnityEditor.iOS.Xcode module in this
         // method as the Mono runtime in Unity 4 and below requires all
@@ -1039,10 +1039,14 @@ public static bool VerboseLoggingEnabled {
         get { return settings.GetBool(PREFERENCE_VERBOSE_LOGGING_ENABLED, defaultValue: false); }
         set {
             settings.SetBool(PREFERENCE_VERBOSE_LOGGING_ENABLED, value);
-            logger.Level = value ? LogLevel.Verbose : LogLevel.Info;
+            UpdateLoggerLevel(value);
         }
     }
 
+    private static void UpdateLoggerLevel(bool verboseLoggingEnabled) {
+        logger.Level = verboseLoggingEnabled ? LogLevel.Verbose : LogLevel.Info;
+    }
+
     /// <summary>
     /// Skip pod install when using workspace integration, let user manually run it.
     /// </summary>

source/PackageManagerResolver/src/PackageManagerResolver.cs

@@ -94,7 +94,7 @@ static PackageManagerResolver() {
 
         RunOnMainThread.Run(() => {
                 // Load log preferences.
-                VerboseLoggingEnabled = VerboseLoggingEnabled;
+                UpdateLoggerLevel(VerboseLoggingEnabled);
             }, runNow: false);
     }
 
@@ -645,9 +645,13 @@ public static bool VerboseLoggingEnabled {
         get { return settings.GetBool(PreferenceVerboseLoggingEnabled, defaultValue: false); }
         set {
             settings.SetBool(PreferenceVerboseLoggingEnabled, value);
-            logger.Level = value ? LogLevel.Verbose : LogLevel.Info;
+            UpdateLoggerLevel(value);
         }
     }
+    
+    private static void UpdateLoggerLevel(bool verboseLoggingEnabled) {
+        logger.Level = verboseLoggingEnabled ? LogLevel.Verbose : LogLevel.Info;
+    }
 
     /// <summary>
     /// Whether scoped registries are supported in current Unity editor.

source/VersionHandlerImpl/src/VersionHandlerImpl.cs

@@ -2290,7 +2290,7 @@ public static Logger Logger {
     /// Load log preferences.
     /// </summary>
     private static void LoadLogPreferences() {
-        VerboseLoggingEnabled = VerboseLoggingEnabled;
+        UpdateLoggerLevel(VerboseLoggingEnabled);
     }
 
     /// <summary>
@@ -2512,9 +2512,13 @@ public static bool VerboseLoggingEnabled {
                                       defaultValue: false); }
         set {
             settings.SetBool(PREFERENCE_VERBOSE_LOGGING_ENABLED, value);
-            logger.Level = value ? LogLevel.Verbose : LogLevel.Info;
+            UpdateLoggerLevel(value);
         }
     }
+    
+    private static void UpdateLoggerLevel(bool verboseLoggingEnabled) {
+        logger.Level = verboseLoggingEnabled ? LogLevel.Verbose : LogLevel.Info;
+    }
 
     /// <summary>
     /// Enable / disable verbose logging.