Tag list should include draft releases with existing tags

[wolfogre]

Fix #21262.

A patch for #15137.

The draft releases which are created with existing tags should be included in the tag list.

[codecov-commenter]

Codecov Report

Merging #21263 (8e51fbc) into main (ec0a06e) will increase coverage by 47.11%.
The diff coverage is 76.92%.

@@            Coverage Diff            @@
##           main   #21263       +/-   ##
=========================================
+ Coverage      0   47.11%   +47.11%     
=========================================
  Files         0     1017     +1017     
  Lines         0   138129   +138129     
=========================================
+ Hits          0    65075    +65075     
- Misses        0    65103    +65103     
- Partials      0     7951     +7951     

Impacted Files	Coverage Δ
models/repo/release.go	45.35% <50.00%> (ø)
modules/context/repo.go	53.72% <100.00%> (ø)
routers/web/repo/release.go	27.69% <100.00%> (ø)
routers/api/v1/repo/notes.go	82.14% <0.00%> (ø)
models/asymkey/ssh_key_authorized_keys.go	16.15% <0.00%> (ø)
modules/git/batch_reader.go	55.88% <0.00%> (ø)
modules/packages/container/metadata.go	76.92% <0.00%> (ø)
modules/util/string.go	89.65% <0.00%> (ø)
modules/base/natural_sort.go	93.65% <0.00%> (ø)
models/repo/wiki.go	44.44% <0.00%> (ø)
... and 1010 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[wxiaoguang]

please send a backport ~