feat(creator-channel): 댓글 수정 입력 모드를 구현한다

app/src/main/res/layout/activity_creator_channel_community_detail.xml

@@ -25,18 +25,6 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
-        <TextView
-            android:id="@+id/tv_creator_channel_community_detail_title"
-            style="@style/Typography.Body1"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:includeFontPadding="false"
-            android:text="@string/creator_channel_community_detail_title"
-            android:textColor="@color/white"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 
     <androidx.core.widget.NestedScrollView
@@ -335,5 +323,16 @@
             android:enabled="false"
             android:src="@drawable/ic_new_arrow_up_gray"
             tools:background="@drawable/bg_creator_channel_community_send_enabled" />
+
+        <ImageButton
+            android:id="@+id/btn_creator_channel_community_detail_edit_cancel"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:layout_marginStart="@dimen/spacing_8"
+            android:background="@android:color/transparent"
+            android:contentDescription="@string/cancel"
+            android:src="@drawable/ic_x_white"
+            android:visibility="gone"
+            tools:visibility="visible" />
     </LinearLayout>
 </androidx.constraintlayout.widget.ConstraintLayout>