capping the preview image url based on the height

- stops large screens eg tablets from attempting to fill the screen

vector/src/main/res/layout/item_timeline_event_text_message_stub.xml

@@ -16,7 +16,7 @@
 
     <im.vector.app.features.home.room.detail.timeline.url.PreviewUrlView
         android:id="@+id/messageUrlPreview"
-        android:layout_width="match_parent"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
         android:layout_marginBottom="4dp"

vector/src/main/res/layout/view_url_preview.xml

@@ -2,21 +2,22 @@
 <merge xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/informationUrlPreviewContainer"
-    android:layout_width="match_parent"
+    android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     tools:parentTag="com.google.android.material.card.MaterialCardView">
 
     <LinearLayout
-        android:layout_width="match_parent"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:orientation="vertical">
 
         <ImageView
             android:id="@+id/url_preview_image"
-            android:layout_width="match_parent"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:adjustViewBounds="true"
             android:importantForAccessibility="no"
+            android:maxHeight="200dp"
             android:scaleType="fitXY"
             tools:src="@tools:sample/backgrounds/scenic" />