feat(compose): move charCounter to action bar if relocatePublishButton is enabled

mastodon/src/main/res/layout/compose_action.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:orientation="horizontal"
     android:layout_width="wrap_content"
     android:layout_height="match_parent"
@@ -54,6 +55,15 @@
         android:contentDescription="@string/sk_schedule_or_draft"
         android:tooltipText="@string/sk_schedule_or_draft" />
 
+    <TextView
+        android:id="@+id/char_counter"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="@style/m3_body_large"
+        android:textColor="?android:textColorSecondary"
+        android:visibility="gone"
+        tools:text="500"/>
+
     <Button
         android:id="@+id/publish_btn"
         android:layout_width="wrap_content"

mastodon/src/main/res/layout/fragment_compose.xml

@@ -422,6 +422,7 @@
 				android:layout_height="wrap_content"
 				android:textAppearance="@style/m3_body_large"
 				android:textColor="?android:textColorSecondary"
+				android:visibility="gone"
 				tools:text="500"/>
 
 			<Button