chore: make series quantity to match their id.

Using series quantity looks more stable than id that is generated by database and can't be fully
reliable.

Author: php-coder

src/main/resources/liquibase/version/0.4.1/2019-08-06--test_user_with_series_in_collection.xml

@@ -32,7 +32,7 @@
 		</insert>
 
 		<insert tableName="series">
-			<column name="quantity" valueNumeric="5" />
+			<column name="quantity" valueNumeric="3" />
 			<column name="perforated" valueBoolean="TRUE" />
 			<column name="category_id" valueNumeric="1" />
 			<column name="created_at" valueComputed="${NOW}" />
@@ -43,7 +43,7 @@
 
 		<insert tableName="collections_series">
 			<column name="collection_id" valueComputed="(SELECT id FROM collections WHERE slug = 'seriesowner')" />
-			<column name="series_id" valueNumeric="3" />
+			<column name="series_id" valueComputed="(SELECT id FROM series WHERE quantity = 3 ORDER BY id LIMIT 1)" />
 			<column name="number_of_stamps" valueNumeric="3" />
 		</insert>
 	</changeSet>

src/main/resources/liquibase/version/0.4/2017-11-08--import_series.xml

@@ -134,7 +134,7 @@
 	<changeSet id="add-another-test-series" author="php-coder" context="test-data">
 
 		<insert tableName="series">
-			<column name="quantity" valueNumeric="3" />
+			<column name="quantity" valueNumeric="2" />
 			<column name="perforated" valueBoolean="false" />
 			<column name="category_id" valueNumeric="1" />
 			<column name="country_id" valueNumeric="1" />
@@ -146,7 +146,7 @@
 		</insert>
 
 		<insert tableName="series_images">
-			<column name="series_id" valueNumeric="2" />
+			<column name="series_id" valueComputed="(SELECT id FROM series WHERE quantity = 2 ORDER BY id LIMIT 1)" />
 			<column name="image_id" valueNumeric="1" />
 		</insert>