Improve dash feel/balance and fix z order

Assets/Scenes/SampleScene.unity

@@ -199,7 +199,7 @@ Canvas:
   m_AdditionalShaderChannelsFlag: 25
   m_UpdateRectTransformForStandalone: 0
   m_SortingLayerID: 0
-  m_SortingOrder: 0
+  m_SortingOrder: 4
   m_TargetDisplay: 0
 --- !u!224 &109163895
 RectTransform:
@@ -323,6 +323,10 @@ PrefabInstance:
       propertyPath: attackCooldownSeconds
       value: 3
       objectReference: {fileID: 0}
+    - target: {fileID: 7692843314178062085, guid: e05928a0d673caf999d31b31b994a112, type: 3}
+      propertyPath: m_SortingOrder
+      value: 2
+      objectReference: {fileID: 0}
     m_RemovedComponents:
     - {fileID: 0}
     m_RemovedGameObjects: []
@@ -1063,7 +1067,7 @@ SpriteRenderer:
   m_LightmapParameters: {fileID: 0}
   m_SortingLayerID: 0
   m_SortingLayer: 0
-  m_SortingOrder: 1
+  m_SortingOrder: 3
   m_Sprite: {fileID: -3753825769889500098, guid: 9216a0f04ef201ab08cf158320feac60, type: 3}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_FlipX: 0