[gnome-text-editor] flatpak: add back gtksourceview

[Christian Hergert <chergert src gnome org>]

commit 01168a0f1f7cc36ed118bab7c2d0a5d48a99ea33
Author: Christian Hergert <chergert redhat com>
Date:   Thu Dec 30 12:33:23 2021 -0800

    flatpak: add back gtksourceview
    
    Since we can't rely on the runtime to update frequent enough, just keep
    this in here... again.

 org.gnome.TextEditor.Devel.json | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/org.gnome.TextEditor.Devel.json b/org.gnome.TextEditor.Devel.json
index 0e3c56f..f514b9d 100644
--- a/org.gnome.TextEditor.Devel.json
+++ b/org.gnome.TextEditor.Devel.json
@@ -29,6 +29,17 @@
         "*.a"
     ],
     "modules" : [
+        {
+            "name" : "gtksourceview",
+            "buildsystem" : "meson",
+            "config-opts" : [ "-Ddevelopment=true" ],
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/gtksourceview.git";
+                }
+            ]
+        },
         {
             "name" : "gnome-text-editor",
             "builddir" : true,