Update UI to show file name

Author: Aryan20

in.aryank.openforms.json

@@ -1,7 +1,7 @@
 {
     "id" : "in.aryank.openforms",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "49",
+    "runtime-version" : "48",
     "sdk" : "org.gnome.Sdk",
     "command" : "open_forms",
     "finish-args" : [
@@ -30,7 +30,8 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "https://github.com/Aryan20/open_forms.git"
+                    "url" : "https://github.com/Aryan20/open_forms.git",
+                    "branch" : "176967a5aa2a07a81fb93ce07d683c12faa2eb90"
                 }
             ],
             "config-opts" : [

src/form_config.py

@@ -56,8 +56,6 @@ def _open_file(self, title, suffix, callback):
         file_filter.add_suffix(suffix)
 
         filter_store.append(file_filter)
-
-
         dialog.set_filters(filter_store)
         dialog.open(None, None, callback)
 
@@ -75,7 +73,7 @@ def _on_json_selected(self, dialog, result):
 
             self.page.config_file = file
             self.page.form_config = self._load_config(file)
-
+            self.open_form_config_btn.set_label(file.get_basename())
             self._try_form_open()
         except GLib.Error:
             pass  # cancelled
@@ -90,7 +88,7 @@ def _open_csv(self, *_):
     def _on_csv_selected(self, dialog, result):
         try:
             file = dialog.open_finish(result)
-
+            self.open_csv_btn.set_label(file.get_basename())
             self.page.csv_file = file
             self._try_form_open()
         except GLib.Error: