[Icon] Icon size changes based on the text size next to it

[RicardoJensen]

Describe the bug

If you use an icon and text the icon will change size based on text size

To Reproduce

Steps to reproduce the behavior:

1- Go to https://bold.bridge.ufsc.br
2- Edit the code of any sidebar icon, disabling the css
property from the span with text next to the icon (flex: 1 1 0%)

3- Write more text to see the error

Expected behavior

Icon maintaining the same size

Screenshots