Plasma5: Firefox icon theming attempt

chad@Hugin ~ $ ll -d ~/.local/share/icons/user
drwxr-xr-x 13 chad chad 15 May 22 06:51 /home/chad/.local/share/icons/user
chad@Hugin ~ $ ll ~/.local/share/icons/user/
total 71
drwxr-xr-x 3 chad chad    3 May 22 05:03 128x128
drwxr-xr-x 3 chad chad    3 May 22 05:03 16x16
drwxr-xr-x 3 chad chad    3 May 22 05:03 22x22
drwxr-xr-x 3 chad chad    3 May 22 05:11 24x24
drwxr-xr-x 3 chad chad    3 May 22 05:03 256x256
drwxr-xr-x 3 chad chad    3 May 22 05:03 32x32
drwxr-xr-x 3 chad chad    3 May 22 05:03 48x48
drwxr-xr-x 3 chad chad    3 May 22 05:03 64x64
drwxr-xr-x 3 chad chad    3 May 22 05:03 96x96
drwxr-xr-x 2 chad chad    7 May 22 06:21 apps
drwxr-xr-x 2 chad chad   11 May 22 05:35 base.backup
-rw-r--r-- 1 chad chad  344 May 22 06:51 icon-theme.cache
-rw-r--r-- 1 chad chad 1522 May 22 06:50 index.theme
chad@Hugin ~ $ ll ~/.local/share/icons/user/22x22/apps/firefox.png
lrwxrwxrwx 1 chad chad 47 May 22 05:07 /home/chad/.local/share/icons/user/22x22/apps/firefox.png -> /usr/share/icons/hicolor/22x22/apps/firefox.png
chad@Hugin ~ $ ll ~/.local/share/icons/user/24x24/apps/firefox.png
lrwxrwxrwx 1 chad chad 47 May 22 05:11 /home/chad/.local/share/icons/user/24x24/apps/firefox.png -> /usr/share/icons/hicolor/24x24/apps/firefox.png
chad@Hugin ~ $ ll ~/.local/share/icons/user/apps/
16/ 22/ 32/ 48/ 64/
chad@Hugin ~ $ ll ~/.local/share/icons/user/apps/22
lrwxrwxrwx 1 chad chad 13 May 22 06:21 /home/chad/.local/share/icons/user/apps/22 -> ../22x22/apps