Account Activity View + Account Forms (#1406)

* Remove balance mode, sketch out refactor

* Activity view checkpoint

* Entry partials, checkpoint

* Finish txn partial

* Give entries context when editing for different turbo responses

* Calculate change of balance for each entry

* Account tabs consolidation

* Translations, linting, brakeman updates

* Account actions concern

* Finalize forms, get account system tests passing

* Get tests passing

* Lint, rubocop, schema updates

* Improve routing and stream responses

* Fix broken routes

* Add import option for adding accounts

* Fix system test

* Fix test specificity

* Fix sparklines

* Improve account redirects

app/views/loans/_form.html.erb

@@ -0,0 +1,26 @@
+<%# locals: (account:, url:) %>
+
+<%= render "accounts/form", account: account, url: url do |form| %>
+  <hr class="my-4">
+
+  <div class="space-y-2">
+    <%= form.fields_for :accountable do |loan_form| %>
+      <div class="flex items-center gap-2">
+        <%= loan_form.number_field :interest_rate,
+                                 label: t("loans.form.interest_rate"),
+                                 placeholder: t("loans.form.interest_rate_placeholder"),
+                                 min: 0,
+                                 step: 0.01 %>
+        <%= loan_form.select :rate_type,
+                           [["Fixed", "fixed"], ["Variable", "variable"], ["Adjustable", "adjustable"]],
+                           { label: t("loans.form.rate_type") } %>
+      </div>
+
+      <div class="flex items-center gap-2">
+        <%= loan_form.number_field :term_months,
+                                 label: t("loans.form.term_months"),
+                                 placeholder: t("loans.form.term_months_placeholder") %>
+      </div>
+    <% end %>
+  </div>
+<% end %>