fix: raise the original error when cli can't be downloaded

Author: fioan89

src/main/kotlin/com/coder/toolbox/cli/CoderCLIManager.kt

@@ -3,6 +3,7 @@ package com.coder.toolbox.cli
 import com.coder.toolbox.CoderToolboxContext
 import com.coder.toolbox.cli.downloader.CoderDownloadApi
 import com.coder.toolbox.cli.downloader.CoderDownloadService
+import com.coder.toolbox.cli.downloader.DownloadResult
 import com.coder.toolbox.cli.downloader.DownloadResult.Downloaded
 import com.coder.toolbox.cli.ex.MissingVersionException
 import com.coder.toolbox.cli.ex.SSHConfigFormatException
@@ -168,7 +169,8 @@ class CoderCLIManager(
         }.let { result ->
             when {
                 result.isSkipped() -> return false
-                result.isNotFoundOrFailed() -> throw IllegalStateException("Could not find or download Coder CLI")
+                result.isNotFound() -> throw IllegalStateException("Could not find Coder CLI")
+                result.isFailed() -> throw (result as DownloadResult.Failed).error
                 else -> result as Downloaded
             }
         }

src/main/kotlin/com/coder/toolbox/cli/downloader/DownloadResult.kt

@@ -15,7 +15,9 @@ sealed class DownloadResult {
 
     fun isSkipped(): Boolean = this is Skipped
 
-    fun isNotFoundOrFailed(): Boolean = this is NotFound || this is Failed
+    fun isNotFound(): Boolean = this is NotFound
+
+    fun isFailed(): Boolean = this is Failed
 
     fun isDownloaded(): Boolean = this is Downloaded