Info.plist: fix ERROR ITMS-90243

"The product archive is invalid. The value of the
CFBundleDocumentTypes key in the Info.plist must be an array of
dictionaries, with each dictionary containing at least the
CFBundleTypeName key."

Change-Id: I70570cdbe729e64453a88b6a7abbfd4259333237

sysui/desktop/macosx/Info.plist.in

@@ -1721,6 +1721,8 @@
             </array>
         </dict>
         <dict>
+            <key>CFBundleTypeName</key>
+            <string>Flat ODF</string>
             <key>LSItemContentTypes</key>
             <array>
                 <string>vnd.oasis.opendocument.text-flat-xml</string>
@@ -1734,6 +1736,8 @@
             <string>Owner</string>
         </dict>
         <dict>
+            <key>CFBundleTypeName</key>
+            <string>3rd party formats</string>
             <key>LSItemContentTypes</key>
             <array>
                 <string>public.plain-text</string>