Miscellaneous Fixes (#21050)

* Don't add to history when opening search dialog

* Update caniuse

* Revamp the history handling for dialog components

* clarify audio transcription docs

* Use titlecase helper

* Allow running object clasasification on stationary objects

* small spacing tweaks for tablets

* require admin role to delete users

* explicitly prevent deletion of admin user

---------

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

web/src/hooks/use-history-back.ts

@@ -0,0 +1,57 @@
+import * as React from "react";
+
+interface UseHistoryBackOptions {
+  enabled: boolean;
+  open: boolean;
+  onClose: () => void;
+}
+
+/**
+ * Hook that manages browser history for overlay components (dialogs, sheets, etc.)
+ * When enabled, pressing the browser back button will close the overlay instead of navigating away.
+ */
+export function useHistoryBack({
+  enabled,
+  open,
+  onClose,
+}: UseHistoryBackOptions): void {
+  const historyPushedRef = React.useRef(false);
+  const closedByBackRef = React.useRef(false);
+
+  // Keep onClose in a ref to avoid effect re-runs that cause multiple history pushes
+  const onCloseRef = React.useRef(onClose);
+  React.useLayoutEffect(() => {
+    onCloseRef.current = onClose;
+  });
+
+  React.useEffect(() => {
+    if (!enabled) return;
+
+    if (open) {
+      // Only push history state if we haven't already (prevents duplicates in strict mode)
+      if (!historyPushedRef.current) {
+        window.history.pushState({ overlayOpen: true }, "");
+        historyPushedRef.current = true;
+      }
+
+      const handlePopState = () => {
+        closedByBackRef.current = true;
+        historyPushedRef.current = false;
+        onCloseRef.current();
+      };
+
+      window.addEventListener("popstate", handlePopState);
+
+      return () => {
+        window.removeEventListener("popstate", handlePopState);
+      };
+    } else {
+      // Overlay is closing - clean up history if we pushed and it wasn't via back button
+      if (historyPushedRef.current && !closedByBackRef.current) {
+        window.history.back();
+      }
+      historyPushedRef.current = false;
+      closedByBackRef.current = false;
+    }
+  }, [enabled, open]);
+}