[ADD] web_widget_domain_editor_dialog: New module

web_widget_domain_editor_dialog/readme/CONTRIBUTORS.rst

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+* `Tecnativa <https://www.tecnativa.com>`_
+
+  * David Vidal <david.vidal@tecnativa.com>
+  * Jairo Llopis <jairo.llopis@tecnativa.com>

web_widget_domain_editor_dialog/readme/DESCRIPTION.rst

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+Since v11 introduced the new domain editor widget it's not possible to edit
+the selected records from the current domain.
+
+This module reintroduces that dialog to complement the current widget with the
+powerful search engine of Odoo.

web_widget_domain_editor_dialog/readme/USAGE.rst

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+In any view with a domain field widget and model, but we'll make the example
+with a user filter:
+
+#. Enter debug mode.
+#. Go to the *Debug menu* and select the option *Manage Filters*
+#. Create a new one
+#. Put a name to the filter and select a model (e.g.: Contact)
+#. Click on the record selection button and a list dialog opens. There you can
+   either:
+
+  * Select individual records: those ids will be added to the domain.
+  * Set filters that will be applied to the domain and select all the records
+    to add it as a new filter.
+  * Set groups that will be converted into search filters, select all the
+    records and those unfolded groups will be set as filters to.
+
+You can still edit the filter with Odoo's widget after that.
+
+.. figure:: ../static/src/img/behaviour.png
+    :align: center
+    :width: 600 px