updated impersonate popup styles

CHANGELOG.md

@@ -65,6 +65,8 @@
     ```
     Also note that if you are not planning to use the `core.DefaultDBConnect` fallback as part of your custom driver registration you can exclude the default pure Go driver from the build with the `-tags nodefaultdriver` build tag to reduce the binary size a little.
 
+- Other minor UI improvements (updated the impersonate popup styles, added query param support for loading a collection based on its name, etc.).
+
 
 ## v0.23.0-rc8