[terminal] IJPL-192424 Make API for checking terminal engine public

So, external plugins may use it.


(cherry picked from commit 75cf70a16f21c6f722fad314ed391c4b77438cba)

IJ-CR-166213

GitOrigin-RevId: 0e7347a34e1280531d206a0ff37e9f1256862f7d

plugins/terminal/src/org/jetbrains/plugins/terminal/TerminalEngine.kt

@@ -1,10 +1,8 @@
 // Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.jetbrains.plugins.terminal
 
-import org.jetbrains.annotations.ApiStatus
 import org.jetbrains.annotations.Nls
 
-@ApiStatus.Internal
 enum class TerminalEngine(val presentableName: @Nls String) {
   REWORKED(TerminalBundle.message("terminal.engine.reworked")),
   CLASSIC(TerminalBundle.message("terminal.engine.classic")),

plugins/terminal/src/org/jetbrains/plugins/terminal/TerminalOptionsProvider.kt

@@ -88,8 +88,6 @@ class TerminalOptionsProvider(private val coroutineScope: CoroutineScope) : Pers
    * But the setter applies the provided value to both monolith and RemDev modes.
    * So, when a user changes the default in any mode, it will be applied everywhere.
    */
-  @get:ApiStatus.Internal
-  @set:ApiStatus.Internal
   var terminalEngine: TerminalEngine
     get() {
       return if (AppMode.isRemoteDevHost() || PlatformUtils.isJetBrainsClient()) {