Merge branch 'erp5_text_editor_migration' of https://lab.nexedi.com/rporchetto/erp5 into erp5_text_editor_migration

erp5_web_renderjs_ui: Don't crash if form has 'Update Action Title' but no 'Form update action' defined.

Even though this is inconsistent form definition, form_dialog gadget should not crash

in MRP, we have manufacturing execution having a mix of lines with
positive and negative values. It must be possible to use split and
defer solver in that case.

For example, Categories in "expired" state.

As a consequence, user is included in cache key.


/reviewed-on nexedi/erp5!899

This function have evolved to something very trivial not accessing anything from database, so caching this no longer really makes sense, also the cache keys are really big.

On a quick benchmark of calling ERP5Site_getTabList 10000 times:
with cache: ERP5Site_getTabList took 12.961781
without cache: ERP5Site_getTabList took 5.395873