feat(extra-info): inject extra info in nested replies

Bug: twpowertools:93
Change-Id: Id60030804146981ca3f59a6b2c1d419bbf1f731c
diff --git a/src/contentScripts/communityConsole/extraInfo/injections/threadComment.js b/src/contentScripts/communityConsole/extraInfo/injections/threadComment.js
new file mode 100644
index 0000000..ed14575
--- /dev/null
+++ b/src/contentScripts/communityConsole/extraInfo/injections/threadComment.js
@@ -0,0 +1,11 @@
+import BaseThreadMessageExtraInfoInjection from './baseThreadMessage.js';
+
+export default class ThreadCommentExtraInfoInjection extends BaseThreadMessageExtraInfoInjection {
+  getInteractionsRootClass() {
+    return 'scTailwindThreadMessageMessageinteractionsroot';
+  }
+
+  getInteractionsRootNonEmptyClass() {
+    return 'scTailwindThreadMessageMessageinteractionsinteractions';
+  }
+}