Custom emoji & Sticker support (#686)

* Remove comments

* Show custom emoji first in suggestions

* Show global image packs in emoji picker

* Display emoji and sticker in room settings

* Fix some pack not visible in emojiboard

* WIP

* Add/delete/rename images to exisitng packs

* Change pack avatar, name & attribution

* Add checkbox to make pack global

* Bug fix

* Create or delete pack

* Add personal emoji in settings

* Show global pack selector in settings

* Show space emoji in emojiboard

* Send custom emoji reaction as mxc

* Render stickers as stickers

* Fix sticker jump bug

* Fix reaction width

* Fix stretched custom emoji

* Fix sending space emoji in message

* Remove unnessesary comments

* Send user pills

* Fix pill generating regex

* Add support for sending stickers

src/app/molecules/image-pack/ImagePackProfile.scss

@@ -0,0 +1,37 @@
+@use '../../partials/flex';
+
+.image-pack-profile {
+  padding: var(--sp-normal);
+  display: flex;
+  align-items: flex-start;
+  gap: var(--sp-tight);
+
+  &__content {
+    @extend .cp-fx__item-one;
+
+    & > div:first-child {
+      display: flex;
+      align-items: center;
+      gap: var(--sp-extra-tight);
+
+      & .ic-btn {
+        padding: var(--sp-ultra-tight);
+      }
+    }
+    & > form {
+      display: flex;
+      flex-direction: column;
+      gap: var(--sp-extra-tight);
+      & > div:last-child {
+        margin: var(--sp-extra-tight) 0;
+        display: flex;
+        gap: var(--sp-tight);
+      }
+    }
+  }
+  &__usage {
+    & > *:first-child {
+      margin-bottom: var(--sp-ultra-tight);
+    }
+  }
+}