Fix table icon tooltips with long texts

Combining the max-width and the white-space property resulted in the
text exceeding its bounds if the text was longer than what the max-width
property allowed.

The `width: max-content` property, on the other hand, is compatible with
the max-width property.

app/assets/stylesheets/mixins.scss

@@ -181,7 +181,7 @@
   @include tooltip;
   line-height: $global-lineheight;
   margin-top: $line-height / 8;
-  white-space: nowrap;
+  width: max-content;
 
   &::before {
     @include css-triangle($tooltip-pip-width, $tooltip-background-color, up);