Fix the IDEA debugger (#3822)

The PR #3746 introduced a bug due to which the IDEA coroutine
debugger didn't run. See
https://youtrack.jetbrains.com/issue/KTIJ-26327

Author: dkhalanskyjb

kotlinx-coroutines-core/api/kotlinx-coroutines-core.api

@@ -944,7 +944,7 @@ public final class kotlinx/coroutines/debug/internal/DebugProbesImpl {
 	public final fun enhanceStackTraceWithThreadDump (Lkotlinx/coroutines/debug/internal/DebugCoroutineInfo;Ljava/util/List;)Ljava/util/List;
 	public final fun enhanceStackTraceWithThreadDumpAsJson (Lkotlinx/coroutines/debug/internal/DebugCoroutineInfo;)Ljava/lang/String;
 	public final fun getIgnoreCoroutinesWithEmptyContext ()Z
-	public final fun isInstalled ()Z
+	public final fun isInstalled$kotlinx_coroutines_debug ()Z
 	public final fun setIgnoreCoroutinesWithEmptyContext (Z)V
 }
 

kotlinx-coroutines-core/jvm/src/debug/internal/DebugProbesImpl.kt

@@ -35,7 +35,10 @@ internal object DebugProbesImpl {
      * This internal method is used by the IDEA debugger under the JVM name
      * "isInstalled$kotlinx_coroutines_debug" and must be kept binary-compatible, see KTIJ-24102
      */
-    val isInstalled: Boolean get() = installations.value > 0
+    val isInstalled: Boolean
+        // IDEA depended on "internal val isInstalled", thus the mangling. Public + JvmName in order to make this getter part of the ABI
+        @JvmName("isInstalled\$kotlinx_coroutines_debug")
+        get() = installations.value > 0
 
     // To sort coroutines by creation order, used as a unique id
     private val sequenceNumber = atomic(0L)