Add some new colors to theme

Contributes to CL-1247

resources/themes/cura-dark/theme.json

@@ -222,6 +222,7 @@
         "monitor_text_link": [103, 160, 252, 255],
         "monitor_icon_primary": [229, 229, 229, 255],
         "monitor_icon_accent": [51, 53, 54, 255],
+        "monitor_icon_disabled": [102, 102, 102, 255],
 
         "monitor_secondary_button_hover": [80, 80, 80, 255],
         "monitor_secondary_button": [92, 92, 92, 255],

resources/themes/cura-light/theme.json

@@ -397,6 +397,7 @@
         "monitor_text_link": [50, 130, 255, 255],
         "monitor_icon_primary": [10, 8, 80, 255],
         "monitor_icon_accent": [255, 255, 255, 255],
+        "monitor_icon_disabled": [238, 238, 238, 255],
 
         "monitor_secondary_button_hover": [228, 228, 228, 255],
         "monitor_secondary_button": [240, 240, 240, 255],