Backport share link handling

[AndyScherzinger]

Backport of #2730 Display copy icon and adding send action to the link menu

[codecov]

Codecov Report

Merging #2739 into stable-3.2.x will decrease coverage by <.01%.
The diff coverage is 0%.

@@               Coverage Diff               @@
##           stable-3.2.x   #2739      +/-   ##
===============================================
- Coverage          6.52%   6.51%   -0.01%     
===============================================
  Files               284     285       +1     
  Lines             28934   28946      +12     
  Branches           4215    4216       +1     
===============================================
- Hits               1887    1885       -2     
- Misses            26763   26775      +12     
- Partials            284     286       +2

Impacted Files	Coverage Δ
...java/com/owncloud/android/utils/ClipboardUtil.java	0% <0%> (ø)
...d/android/ui/activity/CopyToClipboardActivity.java	0% <0%> (ø)	⬆️
...cloud/android/ui/activity/FileDisplayActivity.java	0% <0%> (ø)	⬆️
...android/ui/fragment/FileDetailSharingFragment.java	0% <0%> (ø)	⬆️
.../third_parties/daveKoeller/AlphanumComparator.java	79.31% <0%> (-2.3%)	⬇️

[mario]

👍

[tobiasKaminsky]

👍