Reverse the logic of isRestricted to match ne name

Author: romanowski

modules/build/src/main/scala/scala/build/preprocessing/DirectivesProcessor.scala

@@ -34,7 +34,7 @@ object DirectivesProcessor {
       scopedDirective: ScopedDirective,
       logger: Logger
     ) =
-      if (withRestrictedFeatures && !handler.isRestricted)
+      if (withRestrictedFeatures && handler.isRestricted)
         val msg =
           "This directive is not supported with 'scala' command. Please run it with `scala-cli` command or with `--power` flag."
         Left(DirectiveErrors(

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingCompilerPluginDirectiveHandler.scala

@@ -16,7 +16,7 @@ case object UsingCompilerPluginDirectiveHandler extends UsingDirectiveHandler {
   override def examples = Seq(
     "//> using plugin \"org.typelevel:::kind-projector:0.13.2\""
   )
-  override def isRestricted = true
+  override def isRestricted = false
 
   private def parseDependency(depStr: String): Either[BuildException, AnyDependency] =
     DependencyParser.parse(depStr)

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingCustomJarDirectiveHandler.scala

@@ -17,7 +17,7 @@ case object UsingCustomJarDirectiveHandler extends UsingDirectiveHandler {
   override def examples = Seq(
     "//> using jar \"/Users/alexandre/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/com/chuusai/shapeless_2.13/2.3.7/shapeless_2.13-2.3.7.jar\""
   )
-  override def isRestricted = true
+  override def isRestricted = false
 
   def keys = Seq("jar", "jars")
   def handleValues(

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingDependencyDirectiveHandler.scala

@@ -18,7 +18,7 @@ case object UsingDependencyDirectiveHandler extends UsingDirectiveHandler {
     "//> using lib \"org.scalameta::munit:0.7.29\"",
     "//> using lib \"tabby:tabby:0.2.3,url=https://github.com/bjornregnell/tabby/releases/download/v0.2.3/tabby_3-0.2.3.jar\""
   )
-  override def isRestricted = true
+  override def isRestricted = false
 
   private def parseDependency(depStr: String): Either[BuildException, AnyDependency] =
     DependencyParser.parse(depStr)

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingJavaHomeDirectiveHandler.scala

@@ -15,7 +15,7 @@ case object UsingJavaHomeDirectiveHandler extends UsingDirectiveHandler {
   override def examples = Seq(
     "//> using java-home \"/Users/Me/jdks/11\""
   )
-  override def isRestricted = true
+  override def isRestricted = false
 
   override def getValueNumberBounds(key: String): UsingDirectiveValueNumberBounds =
     UsingDirectiveValueNumberBounds(1, 1)

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingJavaOptionsDirectiveHandler.scala

@@ -14,7 +14,7 @@ case object UsingJavaOptionsDirectiveHandler extends UsingDirectiveHandler {
   override def examples = Seq(
     "//> using javaOpt \"-Xmx2g\", \"-Dsomething=a\""
   )
-  override def isRestricted = true
+  override def isRestricted = false
 
   def keys = Seq("javaOpt", "javaOptions", "java-opt", "java-options")
   def handleValues(

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingJavaPropsDirectiveHandler.scala

@@ -13,7 +13,7 @@ case object UsingJavaPropsDirectiveHandler extends UsingDirectiveHandler {
   override def examples = Seq(
     "//> using javaProp \"foo1=bar\", \"foo2\""
   )
-  override def isRestricted = true
+  override def isRestricted = false
 
   def keys = Seq("javaProp")
   def handleValues(

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingMainClassDirectiveHandler.scala

@@ -22,7 +22,7 @@ case object UsingMainClassDirectiveHandler extends UsingDirectiveHandler {
 
   def keys = Seq("main-class", "mainClass")
 
-  override def isRestricted = true
+  override def isRestricted = false
 
   override def getValueNumberBounds(key: String) = UsingDirectiveValueNumberBounds(1, 1)
 

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingOptionDirectiveHandler.scala

@@ -15,7 +15,7 @@ case object UsingOptionDirectiveHandler extends UsingDirectiveHandler {
     "//> using option \"-Xasync\"",
     "//> using options \"-Xasync\", \"-Xfatal-warnings\""
   )
-  override def isRestricted = true
+  override def isRestricted = false
 
   def keys = Seq("option", "options")
   def handleValues(

modules/directives/src/main/scala/scala/build/preprocessing/directives/UsingPackagingDirectiveHandler.scala

@@ -35,7 +35,7 @@ case object UsingPackagingDirectiveHandler extends UsingDirectiveHandler {
     "//> using packaging.provided \"org.apache.spark::spark-sql\""
   )
 
-  override def isRestricted = false
+  override def isRestricted = true
 
   def keys = Seq(
     "packageType",