fix(community): 채널 이미지 원본비율 표시를 반영한다

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

@@ -136,7 +136,7 @@
                 <FrameLayout
                     android:id="@+id/layout_creator_channel_community_detail_image_container"
                     android:layout_width="match_parent"
-                    android:layout_height="236dp"
+                    android:layout_height="wrap_content"
                     android:layout_marginTop="@dimen/spacing_14"
                     android:background="@drawable/bg_feed_community_image"
                     android:visibility="gone"
@@ -147,7 +147,8 @@
                         android:layout_width="match_parent"
                         android:layout_height="match_parent"
                         android:contentDescription="@string/a11y_feed_content_image"
-                        android:scaleType="centerCrop" />
+                        android:adjustViewBounds="true"
+                        android:scaleType="fitCenter" />
 
                     <ImageView
                         android:id="@+id/iv_creator_channel_community_detail_play_or_pause"

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

@@ -160,7 +160,7 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:contentDescription="@string/a11y_feed_content_image"
-            android:scaleType="centerCrop"
+            android:scaleType="fitCenter"
             tools:src="@drawable/ic_launcher_background" />
 
         <View