Only normalize the search query once, in `PDFFindController, for every page being searched
Only normalize the search query once, in `PDFFindController, for every page being searched

For a short document, such as e.g. the `tracemonkey` file, this repeated normalization won't matter much, but for documents with a couple of thousand pages it seems completely unnecessary (and wasteful) to keep repeating the normalization whenever for every single page.

xavier114fch/pdf.js,mukulmishra18/pdf.js,Snuffleupagus/pdf.js,mukulmishra18/pdf.js,xavier114fch/pdf.js,Shoobx/pdf.js,Snuffleupagus/pdf.js,macroplant/pdf.js,macroplant/pdf.js,caremerge/pdf.js,showpad/mozilla-pdf.js,Shoobx/pdf.js,macroplant/pdf.js,caremerge/pdf.js,nawawi/pdf.js,timvandermeij/pdf.js,Shoobx/pdf.js,nawawi/pdf.js,mainegreen/pdf.js,timvandermeij/pdf.js,Snuffleupagus/pdf.js,nawawi/pdf.js,mozilla/pdf.js,mainegreen/pdf.js,timvandermeij/pdf.js,showpad/mozilla-pdf.js,mozilla/pdf.js,showpad/mozilla-pdf.js,mozilla/pdf.js