Auto merge of #11952 - cynicaldevil:master, r=Ms2ger
Auto merge of #11952 - cynicaldevil:master, r=Ms2ger

Creates KeyModifiers value using empty() instead of from_bits()

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #11935 .

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- [X] These changes do not require tests because: @jdm said so :P

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anthgur/servo,dsandeephegde/servo,upsuper/servo,CJ8664/servo,peterjoel/servo,saneyuki/servo,KiChjang/servo,fiji-flo/servo,fiji-flo/servo,dsandeephegde/servo,peterjoel/servo,CJ8664/servo,cbrewster/servo,DominoTree/servo,dsandeephegde/servo,avadacatavra/servo,avadacatavra/servo,canaltinova/servo,emilio/servo,upsuper/servo,dati91/servo,mattnenterprise/servo,DominoTree/servo,cbrewster/servo,cbrewster/servo,szeged/servo,thiagopnts/servo,emilio/servo,SimonSapin/servo,sadmansk/servo,thiagopnts/servo,dati91/servo,emilio/servo,eddyb/servo,notriddle/servo,nnethercote/servo,canaltinova/servo,szeged/servo,rnestler/servo,pyfisch/servo,dati91/servo,mattnenterprise/servo,peterjoel/servo,emilio/servo,fiji-flo/servo,szeged/servo,cbrewster/servo,saneyuki/servo,larsbergstrom/servo,pyfisch/servo,jimberlage/servo,upsuper/servo,fiji-flo/servo,notriddle/servo,ConnorGBrewster/servo,nnethercote/servo,rnestler/servo,saneyuki/servo,larsbergstrom/servo,paulrouget/servo,KiChjang/servo,canaltinova/servo,fiji-flo/servo,nrc/servo,eddyb/servo,KiChjang/servo,avadacatavra/servo,rnestler/servo,emilio/servo,saneyuki/servo,SimonSapin/servo,SimonSapin/servo,nnethercote/servo,mbrubeck/servo,saneyuki/servo,CJ8664/servo,ConnorGBrewster/servo,dati91/servo,mattnenterprise/servo,paulrouget/servo,eddyb/servo,szeged/servo,jimberlage/servo,nnethercote/servo,DominoTree/servo,CJ8664/servo,dsandeephegde/servo,saneyuki/servo,CJ8664/servo,mbrubeck/servo,avadacatavra/servo,KiChjang/servo,avadacatavra/servo,KiChjang/servo,splav/servo,dati91/servo,splav/servo,splav/servo,notriddle/servo,canaltinova/servo,notriddle/servo,szeged/servo,eddyb/servo,anthgur/servo,sadmansk/servo,thiagopnts/servo,mattnenterprise/servo,paulrouget/servo,nrc/servo,thiagopnts/servo,peterjoel/servo,dsandeephegde/servo,splav/servo,KiChjang/servo,anthgur/servo,paulrouget/servo,pyfisch/servo,larsbergstrom/servo,thiagopnts/servo,thiagopnts/servo,avadacatavra/servo,eddyb/servo,jimberlage/servo,szeged/servo,paulrouget/servo,canaltinova/servo,dsandeephegde/servo,cbrewster/servo,saneyuki/servo,saneyuki/servo,thiagopnts/servo,emilio/servo,jimberlage/servo,nnethercote/servo,sadmansk/servo,szeged/servo,peterjoel/servo,jimberlage/servo,sadmansk/servo,peterjoel/servo,rnestler/servo,nnethercote/servo,notriddle/servo,splav/servo,mattnenterprise/servo,anthgur/servo,mbrubeck/servo,jimberlage/servo,dsandeephegde/servo,larsbergstrom/servo,emilio/servo,szeged/servo,jimberlage/servo,ConnorGBrewster/servo,DominoTree/servo,KiChjang/servo,jimberlage/servo,CJ8664/servo,ConnorGBrewster/servo,avadacatavra/servo,pyfisch/servo,sadmansk/servo,cbrewster/servo,ConnorGBrewster/servo,SimonSapin/servo,SimonSapin/servo,szeged/servo,emilio/servo,emilio/servo,SimonSapin/servo,paulrouget/servo,pyfisch/servo,pyfisch/servo,nrc/servo,peterjoel/servo,dati91/servo,nrc/servo,larsbergstrom/servo,canaltinova/servo,sadmansk/servo,splav/servo,avadacatavra/servo,SimonSapin/servo,nnethercote/servo,upsuper/servo,szeged/servo,splav/servo,splav/servo,upsuper/servo,notriddle/servo,rnestler/servo,KiChjang/servo,emilio/servo,mbrubeck/servo,larsbergstrom/servo,peterjoel/servo,notriddle/servo,cbrewster/servo,DominoTree/servo,mbrubeck/servo,upsuper/servo,larsbergstrom/servo,peterjoel/servo,CJ8664/servo,anthgur/servo,cbrewster/servo,larsbergstrom/servo,SimonSapin/servo,DominoTree/servo,ConnorGBrewster/servo,fiji-flo/servo,anthgur/servo,DominoTree/servo,nnethercote/servo,rnestler/servo,canaltinova/servo,dati91/servo,pyfisch/servo,paulrouget/servo,KiChjang/servo,mattnenterprise/servo,nrc/servo,sadmansk/servo,mbrubeck/servo,CJ8664/servo,saneyuki/servo,eddyb/servo,notriddle/servo,anthgur/servo,rnestler/servo,DominoTree/servo,upsuper/servo,canaltinova/servo,notriddle/servo,paulrouget/servo,pyfisch/servo,mattnenterprise/servo,sadmansk/servo,paulrouget/servo,mbrubeck/servo,ConnorGBrewster/servo,larsbergstrom/servo,KiChjang/servo,ConnorGBrewster/servo,rnestler/servo,DominoTree/servo,splav/servo,splav/servo,larsbergstrom/servo,peterjoel/servo,anthgur/servo,saneyuki/servo,nnethercote/servo,notriddle/servo,nnethercote/servo,upsuper/servo,DominoTree/servo,mbrubeck/servo,eddyb/servo,pyfisch/servo,mattnenterprise/servo,jimberlage/servo,eddyb/servo,paulrouget/servo,dati91/servo,fiji-flo/servo,nrc/servo,nrc/servo,fiji-flo/servo,thiagopnts/servo,pyfisch/servo,dsandeephegde/servo