General flow of states applied

Trello Card

Changelog

• General flow of states applied: The new status are added to the models and views.
• Fixes suggested in the review: Method names are modified, refactoring is performed and view filter is removed.
• Label button fixed and some validations removed: Method and validation are removed, and button text is modified
• Button class and set_draft function added: The "btn btn-primary" class is added to the buttons and status modification is fixed
• Table state fixed: Change of status is fixed
• Text button changed: Button text is modified

energy_selfconsumption/views/selfconsumption_views.xml

@@ -14,7+14,7 @@
                                 name="set_inscription"
                                 args="['draft']"
                                 attrs="{'invisible':[('state','not in',['draft'])]}"
                                 class="btn btn-primary"
                         />
                         <button
                                 type="object"
@@ -32,7+32,7 @@
                         />
                         <button
                                 type="object"
-                                string="Change to inscription status"
+                                string="Back to In Inscription status"
                                 name="set_inscription"
                                 args="['activation']"
                                 attrs="{'invisible':[('state','not in',['activation'])]}"