Fixes for viewport selection issues (#5494)

* improvements to editor selection in the viewport

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* fix issue with being able to select icons that are not showing for entities inside entity containers

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* update comment after review feedback

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* updates to viewport picking code to simplify the api

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* add test to replicate near clip intersection issue

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* small tidy-up changes

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* updates to how we perform world to screen and screen to world calculations, added test coverage and some tidy-up

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* add some more tests for ViewportInteractionImpl

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* minor tweaks before PR feedback

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* fix typo in fix

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* fix for manipulator test framework tests

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* updates to RPI::View and RenderPipeline after review feedback from VickyAtAZ

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* add constexpr to ScreenPoint, ScreenVector and ScreenSize initializing constructors

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* add PrintTo functions for Screen* types

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* downgrade error to warning temporarily

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* check incoming view is null

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

* remove pragma optimize off

Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com>

Code/Framework/AzToolsFramework/Tests/BoundsTestComponent.cpp

@@ -40,6 +40,9 @@ namespace UnitTest
     {
         AzFramework::BoundsRequestBus::Handler::BusConnect(GetEntityId());
         AzToolsFramework::EditorComponentSelectionRequestsBus::Handler::BusConnect(GetEntityId());
+
+        // default local bounds to unit cube
+        m_localBounds = AZ::Aabb::CreateFromMinMax(AZ::Vector3(-0.5f), AZ::Vector3(0.5f));
     }
 
     void BoundsTestComponent::Deactivate()
@@ -57,7 +60,6 @@ namespace UnitTest
 
     AZ::Aabb BoundsTestComponent::GetLocalBounds()
     {
-        return AZ::Aabb::CreateFromMinMax(AZ::Vector3(-0.5f), AZ::Vector3(0.5f));
+        return m_localBounds;
     }
-
 } // namespace UnitTest