Pick up Kotlin version from rules_kotlin (bazelbuild/intellij PR import

#1566)

# Checklist

- [X] I have filed an issue about this change and discussed potential changes with the maintainers.
- [?] I have received the approval from the maintainers to make this change.
- [X] This is not a stylistic, refactoring, or cleanup change.

Please note that the maintainers will not be reviewing this change until all checkboxes are ticked. See
the [Contributions](https://github.com/bazelbuild/intellij#contributions) section in the README for more
details.

# Discussion thread for this change

Issue number: `1274`

# Description of this change

This change gets the kotlin version from rules_kotlin (commit 242 - bazelbuild/rules_kotlin@a3d4d56) and updates the ide_info such that Kotlin 1.3 functionality can be accessed if compiled with Kotlin 1.3

Closes #1566

PiperOrigin-RevId: 307379159

aspect/intellij_info_impl.bzl

@@ -870,6 +870,22 @@ def collect_java_toolchain_info(target, ide_info, ide_info_file, output_groups):
     update_sync_output_groups(output_groups, "intellij-info-java", depset([ide_info_file]))
     return True
 
+def artifact_to_path(artifact):
+    return artifact.root_execution_path_fragment + "/" + artifact.relative_path
+
+def collect_kotlin_toolchain_info(target, ide_info, ide_info_file, output_groups):
+    """Updates kotlin_toolchain-relevant output groups, returns false if not a kotlin_toolchain target."""
+    if not hasattr(target, "kt"):
+        return False
+    kt = target.kt
+    if not hasattr(kt, "language_version"):
+        return False
+    ide_info["kt_toolchain_ide_info"] = struct(
+        language_version = kt.language_version,
+    )
+    update_sync_output_groups(output_groups, "intellij-info-kotlin", depset([ide_info_file]))
+    return True
+
 def _is_proto_library_wrapper(target, ctx):
     """Returns True if the target is an empty shim around a proto library."""
     if not ctx.rule.kind.endswith("proto_library") or ctx.rule.kind == "proto_library":
@@ -1016,6 +1032,7 @@ def intellij_info_aspect_impl(target, ctx, semantics):
     handled = collect_java_info(target, ctx, semantics, ide_info, ide_info_file, output_groups) or handled
     handled = collect_java_toolchain_info(target, ide_info, ide_info_file, output_groups) or handled
     handled = collect_android_info(target, ctx, semantics, ide_info, ide_info_file, output_groups) or handled
+    handled = collect_kotlin_toolchain_info(target, ide_info, ide_info_file, output_groups) or handled
 
     # Any extra ide info
     if hasattr(semantics, "extra_ide_info"):