Consolidate compiler id digest.

Change all calculations of compiler id digest to use
 'CompilerId#digest()' method.

^KT-45611 In Progress

compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/ClientUtils.kt

@@ -55,7 +55,7 @@ fun walkDaemons(registryDir: File,
                 filter: (File, Int) -> Boolean = { _, _ -> true },
                 report: (DaemonReportCategory, String) -> Unit = { _, _ -> }
 ): Sequence<DaemonWithMetadata> {
-    val classPathDigest = compilerId.compilerClasspath.map { File(it).absolutePath }.distinctStringsDigest().toHexString()
+    val classPathDigest = compilerId.digest()
     val portExtractor = makePortFromRunFilenameExtractor(classPathDigest)
     return registryDir.walk()
             .map { Pair(it, portExtractor(it.name)) }

compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/DaemonParams.kt

@@ -238,6 +238,11 @@ data class CompilerId(
         get() = listOf(PropMapper(this, CompilerId::compilerClasspath, toString = { it.joinToString(File.pathSeparator) }, fromString = { it.trimQuotes().split(File.pathSeparator) }),
                        StringPropMapper(this, CompilerId::compilerVersion))
 
+    fun digest(): String = compilerClasspath
+        .map { File(it).absolutePath }
+        .distinctStringsDigest()
+        .toHexString()
+
     companion object {
         @JvmStatic
         fun makeCompilerId(vararg paths: File): CompilerId = makeCompilerId(paths.asIterable())