Fixed: Progress bar text colour in Dark theme

Closes #2091

(cherry picked from commit ca61efa57fc04a7f6753aedb4b8044d17e345429)

frontend/src/Styles/Themes/dark.js

@@ -234,6 +234,8 @@ module.exports = {
   //
   // misc
 
+  progressBarFrontTextColor: white,
+  progressBarBackTextColor: white,
   progressBarBackgroundColor: '#727070',
   logEventsBackgroundColor: '#2a2a2a'
 };

frontend/src/Styles/Themes/light.js

@@ -228,6 +228,8 @@ module.exports = {
   //
   // misc
 
-  progressBarBackgroundColor: '#fff',
-  logEventsBackgroundColor: '#fff'
+  progressBarFrontTextColor: white,
+  progressBarBackTextColor: darkGray,
+  progressBarBackgroundColor: white,
+  logEventsBackgroundColor: white
 };