[CORL-391] Fix jankiness when opening reply box of last comment in Stream (#2447)

* feat: add useResizeObserver hook

* fix: stream jumps when clicking on the last reply button when scrolled to the bottom

* chore: use resize observer in auth popup and simplify resize handling

* fix: snapshots and remove resize observer from stream

* fix: focus unmounted rte

package-lock.json

@@ -23643,7 +23643,7 @@
       "dependencies": {
         "async": {
           "version": "1.5.2",
-          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
           "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
           "dev": true
         }
@@ -29512,6 +29512,12 @@
       "integrity": "sha1-79qpjqdFEyTQkrKyFjpqHXqaIUc=",
       "dev": true
     },
+    "resize-observer-polyfill": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/resize-observer-polyfill/-/resize-observer-polyfill-1.5.1.tgz",
+      "integrity": "sha512-LwZrotdHOo12nQuZlHEmtuXdqGoOD0OhaxopaNFxWzInpEgaLWoVuAMbTzixuosCx2nEG58ngzW3vxdWoxIgdg==",
+      "dev": true
+    },
     "resolve": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.8.1.tgz",