Fix dialogue textbox not filling screen in 16:10

Assets/Prefabs/DialogueCanvas.prefab

@@ -36,7 +36,7 @@ RectTransform:
   m_AnchorMin: {x: 0, y: 1}
   m_AnchorMax: {x: 0, y: 1}
   m_AnchoredPosition: {x: -750.00006, y: -264.11722}
-  m_SizeDelta: {x: 1600.0427, y: 235.83124}
+  m_SizeDelta: {x: 1600.0427, y: 526.77216}
   m_Pivot: {x: 0, y: 1}
 --- !u!222 &3502585139583547296
 CanvasRenderer:
@@ -321,11 +321,11 @@ RectTransform:
   m_Father: {fileID: 3502585139583547302}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0.5}
-  m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 0.000061035156, y: 0.000030517578}
+  m_AnchorMin: {x: 0.5, y: 1}
+  m_AnchorMax: {x: 0.5, y: 1}
+  m_AnchoredPosition: {x: 0.000061035156, y: -10}
   m_SizeDelta: {x: 1582.78, y: 214.52246}
-  m_Pivot: {x: 0.5, y: 0.5}
+  m_Pivot: {x: 0.5, y: 1}
 --- !u!222 &3502585141059889551
 CanvasRenderer:
   m_ObjectHideFlags: 0