[DO NOT MERGE] dms_libreoffice_preview: pin dms_preview_pane (#483), dms (#475), web_toggle_chatter (OCA/web#3582)

Author: dnplkndll

test-requirements.txt

@@ -0,0 +1,7 @@
+# DO NOT MERGE — temporary pins until the deps land.
+# dms_preview_pane: OCA/dms#483
+odoo-addon-dms_preview_pane @ git+https://github.com/ledoent/dms.git@19.0-add-dms_preview_pane#subdirectory=dms_preview_pane
+# dms 19.0: OCA/dms#475
+odoo-addon-dms @ git+https://github.com/ledoent/dms.git@19.0-mig-dms#subdirectory=dms
+# web_toggle_chatter 19.0: OCA/web#3582
+odoo-addon-web_toggle_chatter @ git+https://github.com/ledoent/web.git@19.0-mig-web_toggle_chatter#subdirectory=web_toggle_chatter