fix lint warnings

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

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

@@ -93,7 +93,7 @@
 
             <SeekBar
                 android:id="@+id/seekbar"
-                android:layout_width="match_parent"
+                android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
                 tools:progress="50" />

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

@@ -79,7 +79,7 @@
             <SeekBar
                 android:id="@+id/seekbar"
                 style="@style/Nextcloud.Material.Outgoing.SeekBar"
-                android:layout_width="match_parent"
+                android:layout_width="0dp"
                 android:layout_height="40dp"
                 android:thumb="@drawable/voice_message_outgoing_seek_bar_slider"
                 tools:progress="50"