Miscellaneous Fixes (#20951)

* ensure viewer roles are available in create user dialog

* admin-only endpoint to return unmaksed camera paths and go2rtc streams

* remove camera edit dropdown

pushing camera editing from the UI to 0.18

* clean up camera edit form

* rename component for clarity

CameraSettingsView is now CameraReviewSettingsView

* Catch case where user requsts clip for time that has no recordings

* ensure emergency cleanup also sets has_clip on overlapping events

improves https://github.com/blakeblackshear/frigate/discussions/20945

* use debug log instead of info

* update docs to recommend tmpfs

* improve display of in-progress events in explore tracking details

* improve seeking logic in tracking details

mimic the logic of DynamicVideoController

* only use ffprobe for duration to avoid blocking

fixes https://github.com/blakeblackshear/frigate/discussions/20737#discussioncomment-14999869

* Revert "only use ffprobe for duration to avoid blocking"

This reverts commit 8b15078005.

* update readme to link to object detector docs

---------

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

docs/docs/frigate/installation.md

@@ -56,7 +56,7 @@ services:
     volumes:
       - /path/to/your/config:/config
       - /path/to/your/storage:/media/frigate
-      - type: tmpfs # Optional: 1GB of memory, reduces SSD/SD Card wear
+      - type: tmpfs # Recommended: 1GB of memory
         target: /tmp/cache
         tmpfs:
           size: 1000000000
@@ -310,7 +310,7 @@ services:
       - /etc/localtime:/etc/localtime:ro
       - /path/to/your/config:/config
       - /path/to/your/storage:/media/frigate
-      - type: tmpfs # Optional: 1GB of memory, reduces SSD/SD Card wear
+      - type: tmpfs # Recommended: 1GB of memory
         target: /tmp/cache
         tmpfs:
           size: 1000000000