Added feature for file rename

[breiler]

Added a feature for renaming files on the controller. As there isn't such operation on the controller, we will download the file and upload it with the new name.

[codecov-commenter]

Codecov Report

Merging #1955 (80650ac) into master (a23af38) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #1955      +/-   ##
============================================
- Coverage     22.67%   22.64%   -0.04%     
  Complexity     1997     1997              
============================================
  Files           576      576              
  Lines         24058    24090      +32     
  Branches       1918     1917       -1     
============================================
  Hits           5456     5456              
- Misses        18132    18164      +32     
  Partials        470      470              

Impacted Files	Coverage Δ
...inder/universalgcodesender/utils/ThreadHelper.java	75.00% <0.00%> (ø)
...r/ugs/nbp/designer/gui/SelectionSettingsPanel.java	0.00% <0.00%> (ø)
...gs/nbp/designer/platform/SettingsTopComponent.java	0.00% <0.00%> (ø)
.../willwinder/ugs/nbp/designer/logic/Controller.java	0.00% <0.00%> (ø)
...gs/nbp/designer/platform/DesignerTopComponent.java	0.00% <0.00%> (ø)

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