[Port] [2022.3] Graphics docs feedback fixes Apr 2025

Author: markg-unity

Packages/com.unity.visualeffectgraph/Documentation~/Operator-ProbabilitySampling.md

@@ -6,7 +6,7 @@ Menu Path : **Operator > Logic > Probability Sampling**
 
 The **Probability Sampling** Operator performs a kind of switch/case operation where a weight controls the probability of selecting a case. If all weights are equal, this Operator produces a uniform distribution of the different output values.
 
-![img](Images/Operator-ProbabilitySamplingExample.gif)
+<video src="Images/Operator-ProbabilitySamplingExample.mp4" title="A Random Selector Weighted Operator, and its effect on a 32 x 32 grid. In the Operator, Value 0 is red with a weight of 1, Value 1 is green with a weight of 0, and Value 2 is blue with a weight of 0. The grid is fully red. As the weight of Value 1 is dragged from 0 to 1, more red squares turn green. As the weight of Value 2 is then dragged from 0 to 1, more red and green squares turn blue." width="320" height="auto" autoplay="true" loop="true" controls></video>
 
 ## Operator settings