Merge pull request #2504 from sravanthi1/1.2+Responsive-Ui

"In Student player the text above the reactions is misaligned fixed."
Collection End Page  in System is Fixed
Merge branch '1.2+Responsive-Ui' of https://github.com/Gooru/Gooru-Web into 1.2+Responsive-Ui
Merge pull request #2507 from skumarreddysingiri/1.2+Responsive-Ui

1.2+responsive ui Collection End Page
Player resource Tooltip is hidden in Mobile And Tab
Merge branch '1.2+Responsive-Ui' of https://github.com/Gooru/Gooru-Web into 1.2+Responsive-Ui
MouseOver on MyClasses,Mycollection Bug is fixed
Add Standard Popup is Fixed
Merge pull request #2515 from skumarreddysingiri/1.2+Responsive-Ui

1.2+responsive ui Add Standard Popup is Fixed
"study player navigation issue in myclasses not working fixed and AddTags button ui issue fixed."