Appdata - sort tags

All tags except for the core information (id, name, summary and description)
are sorted alphabetically for easier lookup. The core tags are kept on top
though.

gnucash/gnome/gnucash.appdata.xml.in

@@ -1,9 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component>
   <id>org.gnucash.GnuCash</id>
-  <launchable type="desktop-id">gnucash.desktop</launchable>
-  <metadata_license>CC0-1.0</metadata_license>
-  <project_license>GPL-2.0+</project_license>
   <name>GnuCash</name>
   <summary>Manage your finances, accounts, and investments</summary>
   <description>
@@ -25,13 +22,17 @@
       <li>Perform financial calculations, such as a loan repayment</li>
     </ul>
   </description>
-  <developer_name>GnuCash Project</developer_name>
+
   <categories>
     <category>Finance</category>
   </categories>
   <content_rating type="oars-1.1">
     <content_attribute id="social-info">mild</content_attribute>
   </content_rating>
+  <developer_name>GnuCash Project</developer_name>
+  <launchable type="desktop-id">gnucash.desktop</launchable>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>GPL-2.0+</project_license>
   <screenshots>
     <screenshot type="default">
       <image type="source" width="1049" height="590">https://www.gnucash.org/images/features/feature_accounts_lg.png</image>
@@ -43,12 +44,12 @@
       <image type="source" width="1049" height="590">https://www.gnucash.org/images/features/feature_bar_chart_lg.png</image>
     </screenshot>
   </screenshots>
+  <update_contact>gnucash-devel@gnucash.org</update_contact>
   <translation type="gettext">gnucash</translation>
   <url type="homepage">https://www.gnucash.org</url>
   <url type="bugtracker">https://bugs.gnucash.org</url>
   <url type="faq">https://wiki.gnucash.org/wiki/FAQ</url>
   <url type="help">https://gnucash.org/docs.phtml</url>
   <url type="donation">https://gnucash.org/donate.phtml</url>
   <url type="translate">https://wiki.gnucash.org/wiki/Translation</url>
-  <update_contact>gnucash-devel@gnucash.org</update_contact>
 </component>