Miscellaneous Fixes (0.17 beta) (#21355)

* remove footer messages and add update topic to motion tuner view

restart after changing values is no longer required

* add cache key and activity indicator for loading classification wizard images

* Always mark model as untrained when a classname is changed

* clarify object classification docs

* add debug logs for individual lpr replace_rules

* update memray docs

* memray tweaks

* Don't fail for audio transcription when semantic search is not enabled

* Fix incorrect mismatch for object vs sub label

* Check if the video is currently playing when deciding to seek due to misalignment

* Refactor timeline event handling to allow multiple timeline entries per update

* Check if zones have actually changed (not just count) for event state update

* show event icon on mobile

* move div inside conditional

---------

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

docs/docs/configuration/custom_classification/object_classification.md

@@ -95,6 +95,8 @@ The system will automatically generate example images from detected objects matc
 
 When choosing which objects to classify, start with a small number of visually distinct classes and ensure your training samples match camera viewpoints and distances typical for those objects.
 
+If examples for some of your classes do not appear in the grid, you can continue configuring the model without them. New images will begin to appear in the Recent Classifications view. When your missing classes are seen, classify them from this view and retrain your model.
+
 ### Improving the Model
 
 - **Problem framing**: Keep classes visually distinct and relevant to the chosen object types.