fixes encoded display of names that contain a special character

[blizzz]

When a calendar is shared to a group named "Route#44" it was displayed as "Route%2344". Companion PR for nextcloud/server#24515

[codecov]

Codecov Report

Merging #2726 (8766921) into master (a1bba67) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master    #2726   +/-   ##
=========================================
  Coverage     29.66%   29.66%           
  Complexity      116      116           
=========================================
  Files           153      153           
  Lines          5485     5485           
  Branches        812      812           
=========================================
  Hits           1627     1627           
  Misses         3858     3858           

Flag	Coverage Δ	Complexity Δ
javascript	24.20% <100.00%> (ø)	0.00 <0.00> (ø)
php	94.15% <ø> (ø)	0.00 <ø> (ø)

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Impacted Files	Coverage Δ	Complexity Δ
src/models/calendarShare.js	100.00% <100.00%> (ø)	0.00 <0.00> (ø)

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