fix(ChangelogDialog): fixed styling in ChangelogDialog (#386)

Author: PosikBoy

src/components/ChangelogDialog/ChangelogDialog.scss

@@ -7,7 +7,7 @@ $maxItemsHeight: 70vh;
     --gc-changelog-dialog-width: 732px;
     --gc-changelog-dialog-meta-width: 80px;
 
-    width: var(--gc-changelog-dialog-width);
+    --g-dialog-width: var(--gc-changelog-dialog-width, 732px);
 
     &__full-list-link-icon {
         margin-inline-start: var(--g-spacing-1);