XWIKI-10192: The "Username" and "Password" input fields don't have the same size

- Forcing browsers (IE) to inherit the font family for text and password inputs. IE seems to report that it does so, but in reality it does not.

xwiki-platform-core/xwiki-platform-colibri/src/main/resources/colibri/colibri.css

@@ -157,6 +157,7 @@ input[type="text"], input[type="password"] {
   border-radius: 3px 3px 3px 3px;
   box-shadow: 0px 1px 2px $theme.borderColor;
   color: $theme.textColor;
+  font-family: inherit;
 }
 ::-webkit-input-placeholder {
   color: $theme.textSecondaryColor !important;