[Quest API] Use Floating Point for CameraEffect Intensity (#2337)

This was implemented in a very odd way. The intensity is just a float.

This is a breaking api change but low-impact (intensity will be
different).

To convert old values to new values with same intensity:

  0: 0.03125
  1: 0.05625
  2: 0.1
  3: 0.175
  4: 0.3
  5: 0.5
  6: 0.9
  7: 1.6
  8: 2.8
  9: 4.8
 10: 8.0

common/eq_packet_structs.h

@@ -2204,7 +2204,7 @@ struct CashReward_Struct
 struct Camera_Struct
 {
 	uint32	duration;	// Duration in ms
-	uint32	intensity;	// Between 1023410176 and 1090519040
+	float intensity;
 };
 
 struct ZonePoint_Entry {

common/servertalk.h

@@ -1284,7 +1284,7 @@ struct ServerLeaderboardRequest_Struct
 struct ServerCameraShake_Struct
 {
 	uint32 duration; // milliseconds
-	uint32 intensity; // number from 1-10
+	float intensity;
 };
 
 struct ServerMailMessageHeader_Struct {