Merge Hd/bugfix

[sebastienlagarde]

Purpose of this PR

• Fix null exception on Raytracing SSS volume component (Fix null exception on Raytracing SSS volume component #4322)
• Fix issue with Eye shader and area light (Fix issue with Eye shader and area light #4310)
• Fix Ray Tracing Light Cluster debug mode (Fix Ray Tracing Light Cluster debug mode #4327)
• Skip adding the LOD's renderer to the checked renderer if it's null (Skip adding the LOD's renderer to the checked renderer if it's null #4313)
• Update doc of transparent motion vectors to specify TAA of object behind will be impacted (Update doc of transparent motion vectors to specify TAA of object behind will be impacted #4325)
• Fixed Look Dev breaking when docked and rendered at zero size. (Fixed Look Dev breaking when docked and rendered at zero size. #4331)
• [HDRP] Added a bit about scaling issues when dealing with history buffers ([HDRP] Added a bit about scaling issues when dealing with history buffers #4333)
• Fixed an issue where runtime debug window UI would leak game objects. (Fixed an issue where runtime debug window UI would leak game objects. #4337)
• Updated documentation to support Skip adding the LOD's renderer to the checked renderer if it's null #4313 (Updated documentation to support #4313 #4336)
• Fixed NaNs when denoising pixels where the dot product between normal and view direction is near zero ([HDRP] Fix NaNs when denoising pixels with near zero dot(normal, view)  #4342)
• updated tooltip (Update preserve specular lighting tooltip #4334)
• Doc for custom matrix for fog (Doc for custom matrix for fog #4352)
• [Fogbugz 1324000] Fixing unlit emissive reflections ([Fogbugz 1324000] Fixing unlit emissive reflections #4340)
• [Fogbugz 1329173] Fixing wrong pyramid color dimensions when hardware DRS is on. ([Fogbugz 1329173] Fixing wrong pyramid color dimensions when hardware DRS is on. #4346)
• Fix RTHandle scale bias [1329977] (Fix RTHandle scale bias [1329977] #4320)
• Fixed emission material properties not being animable (Fixed emission material properties not being animable #4366)
• Fix fog precision (Fix fog precision #4364)
• Fix erroneous tile coordinate calculations in contact shadows (Fix erroneous tile coordinate calculations in contact shadows #4335)
• [HDRP]Fix history buffer allocation for AOVs when the request does not come in first frame ([HDRP]Fix history buffer allocation for AOVs when the request does not come in first frame #4361)
• Fix for volumetric clouds performing Read and Write on same texture [Unsupported on some platforms] (Fix for volumetric clouds performing Read and Write on same texture [Unsupported on some platforms] #4356)
• [Fogbugz 1330769] Fixing bloom bicubic filtering for DRS ([Fogbugz 1330769] Fixing bloom bicubic filtering for DRS #4370)

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