Removed unnecessary vector drawables flag

app/build.gradle.kts

@@ -18,7 +18,6 @@ android {
         versionCode = 29
         versionName = "0.3.2"
         setProperty("archivesBaseName", "$applicationId-$versionName-$versionCode")
-        vectorDrawables.useSupportLibrary = true
         manifestPlaceholders = mapOf(
             "LOGIN_CALLBACK_SCHEME" to "e270636c0efc6cad95130113d3bbafc3",
             "LOGIN_CALLBACK_HOST" to "532b8e7fc54c52b6df5b55181acc241a",

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

@@ -31,6 +31,6 @@
         android:layout_height="wrap_content"
         android:layout_gravity="end|bottom"
         android:layout_margin="16dp"
-        app:srcCompat="@drawable/ic_add" />
+        android:src="@drawable/ic_add" />
 
 </FrameLayout>

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

@@ -82,10 +82,10 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_margin="16dp"
+        android:src="@drawable/ic_person_add"
         android:visibility="gone"
         app:backgroundTint="@drawable/subscribe_button_background"
         app:layout_anchor="@id/app_bar"
-        app:layout_anchorGravity="bottom|end"
-        app:srcCompat="@drawable/ic_person_add" />
+        app:layout_anchorGravity="bottom|end" />
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>