Run all cross builds when --cross is passed

Author: Gedochao

modules/build/src/main/scala/scala/build/Build.scala

@@ -451,10 +451,10 @@ object Build {
             (Nil, Nil, Nil, Nil)
 
         Builds(
-          Seq(nonCrossBuilds.main) ++ nonCrossBuilds.testOpt.toSeq,
-          Seq(extraMainBuilds, extraTestBuilds),
-          nonCrossBuilds.docOpt.toSeq ++ nonCrossBuilds.testDocOpt.toSeq,
-          Seq(extraDocBuilds, extraDocTestBuilds)
+          builds = Seq(nonCrossBuilds.main) ++ nonCrossBuilds.testOpt.toSeq,
+          crossBuilds = Seq(extraMainBuilds, extraTestBuilds),
+          docBuilds = nonCrossBuilds.docOpt.toSeq ++ nonCrossBuilds.testDocOpt.toSeq,
+          docCrossBuilds = Seq(extraDocBuilds, extraDocTestBuilds)
         )
       }
 

modules/cli/src/main/scala/scala/cli/commands/publish/Publish.scala

@@ -690,14 +690,6 @@ object Publish extends ScalaCommand[PublishOptions] with BuildCommandHelpers {
     dummy: Boolean
   ): Either[BuildException, Unit] = either {
     assert(docBuilds.isEmpty || docBuilds.length == builds.length)
-
-    extension (b: Seq[Build.Successful]) {
-      private def groupedByCrossParams =
-        b.groupBy(b =>
-          b.options.scalaOptions.scalaVersion.map(_.asString).toString ->
-            b.options.platform.toString
-        )
-    }
     val groupedBuilds    = builds.groupedByCrossParams
     val groupedDocBuilds = docBuilds.groupedByCrossParams
     val it: Iterator[(Seq[Build.Successful], Seq[Build.Successful])] =