[PM-9884] Create empty send add/edit page for browser (#10155)

* Move SendV2component into send-v2 subFolder

* Create SendFormContainer and related services

* Add initial SendFormComponent which uses the SendFormContainer

* Remove AdditionalOptionsSectionComponent which will be added with a future PR

* Add libs/tools/send to root tsconfig

* Register libs/tools/send/send-ui with root jest.config.js

* Register libs/tools/send/send-ui with root tailwind.config.js

* Create empty Send add edit page

- Introduces conditional routing based on extension refresh feature flag
- After selecting a Send type via the New button navigate to the new send-add-edit page and build a SendFormConfig

* Fix service injection on DefaultSendFormService

* Rename setHeader into getHeaderText, make it private and add documentation

* Set radix/base to 10 for parseInt

* Add documentation

* Rename local variable

* Removed unneeded loading state

* Remove unused originalSendId

* Run prettier

* Add link to edit an existing send

---------

Co-authored-by: Daniel James Smith <djsmith85@users.noreply.github.com>

libs/tools/send/send-ui/src/send-list-items-container/send-list-items-container.component.html

@@ -10,6 +10,8 @@
       <button
         bit-item-content
         appA11yTitle="{{ 'edit' | i18n }} - {{ send.name }}"
+        routerLink="/edit-send"
+        [queryParams]="{ sendId: send.id, type: send.type }"
         appStopClick
         type="button"
         class="tw-pb-1"