fix(backup): place import spinner at end of label (after text, not before)

The leading braille spinner sat next to the button's download icon and read as
noise. Move it to the end of the importing label so it clearly marks progress.

Author: luisguzman-adfa

controller/app/src/main/java/org/iiab/controller/DeployFragment.java

@@ -2212,7 +2212,7 @@ private void startImportSpinner() {
             @Override public void run() {
                 if (btnImportBackup != null) {
                     String f = IMPORT_SPINNER[importSpinnerFrame++ % IMPORT_SPINNER.length];
-                    btnImportBackup.setText(f + "  " + getString(R.string.install_msg_importing));
+                    btnImportBackup.setText(getString(R.string.install_msg_importing) + "  " + f);
                 }
                 if (importSpinnerHandler != null) importSpinnerHandler.postDelayed(this, 90);
             }