Add web_fix_modules_load

web_fix_modules_load/models/__init__.py

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+from . import ir_module
+from . import ir_translation

web_fix_modules_load/models/ir_module.py

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+# Copyright 2022 Camptocamp SA
+# @author Simone Orsi <simahawk@gmail.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import json
+
+from odoo import models
+
+from odoo.addons.web.controllers.main import module_boot
+
+
+class IrModule(models.Model):
+    _inherit = "ir.module.module"
+
+    def _session_modules_info(self):
+        """Load modules info and return their mapping."""
+        module_names = module_boot(self.env.cr.dbname)
+        modules = self.sudo().search([("name", "in", module_names)])
+        data = {mod.name: {"id": mod.id} for mod in modules}
+        return json.dumps(data)

web_fix_modules_load/models/ir_translation.py

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+# Copyright 2022 Camptocamp SA
+# @author Simone Orsi <simahawk@gmail.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+
+from odoo import models
+
+
+class IrTranslation(models.Model):
+    _inherit = "ir.translation"
+
+    def get_translations_for_webclient(self, mods, lang):
+        # Intercept call to load translations from modules' ids instead of names.
+        if mods and isinstance(mods[0], int):
+            model = self.env["ir.module.module"].sudo()
+            mods = model.browse(mods).mapped("name")
+        return super().get_translations_for_webclient(mods, lang)