Start and end balance breakdown in activity view (#2466)

* Initial data objects

* Remove trend calculator

* Fill in balance reconciliation for entry group

* Initial tooltip component

* Balance trends in activity view

* Lint fixes

* trade partial alignment fix

* Tweaks to balance calculation to acknowledge holdings value better

* More lint fixes

* Bump brakeman dep

* Test fixes

* Remove unused class

app/components/DS/tooltip.rb

@@ -0,0 +1,17 @@
+class DS::Tooltip < ApplicationComponent
+  attr_reader :placement, :offset, :cross_axis, :icon_name, :size, :color
+
+  def initialize(text: nil, placement: "top", offset: 10, cross_axis: 0, icon: "info", size: "sm", color: "default")
+    @text = text
+    @placement = placement
+    @offset = offset
+    @cross_axis = cross_axis
+    @icon_name = icon
+    @size = size
+    @color = color
+  end
+
+  def tooltip_content
+    content? ? content : @text
+  end
+end