Includes several modifications to better work with the new editor:
- add placeholders on t-field/t-out nodes
- add several div.oe_structure containers in key places for easier user
edition
- add branching options for several t-if directives without a t-else to
display for users (e.g. displaying the payment QR code if the value is
set vs. when the value is not set). These branching options are set to a
default value (the t-if node) which is what users see by default in the
report editor; the t-else node is a version they can manually toggle if
they wish)
- avoiding 'naked' t nodes as child of table/thead/tbody/tr elements, as
these break the table layout in chomium-based engines (that we know of);
instead, try to have foreach loops on tr or td nodes directly, or hoist
t-set directives above the table node
- replace several div or p (block) nodes by span or other inline nodes
to make it easier for users to insert content in their vicinity
X-original-commit: 744701993ece3099ce4768b35d3c0effff7d46a7
Part-of: odoo/odoo#129492