Use current-cell-relative path instead of target cell getRelativePath in ResourceFilter
Use current-cell-relative path instead of target cell getRelativePath in ResourceFilter

Summary:
Hello darkness my old friend... I've come to talk with you again....

Another case of getRelativePath that breaks in cross-cell cases.

Test Plan: CI, tested manually. I don't think this class of mistakes merits its own test cases...

fbshipit-source-id: 55f0faf

romanoid/buck,brettwooldridge/buck,brettwooldridge/buck,vschs007/buck,clonetwin26/buck,LegNeato/buck,zhan-xiong/buck,zhan-xiong/buck,shs96c/buck,kageiit/buck,SeleniumHQ/buck,SeleniumHQ/buck,k21/buck,robbertvanginkel/buck,kageiit/buck,clonetwin26/buck,marcinkwiatkowski/buck,shs96c/buck,Addepar/buck,facebook/buck,vschs007/buck,dsyang/buck,shybovycha/buck,brettwooldridge/buck,SeleniumHQ/buck,rmaz/buck,vschs007/buck,ilya-klyuchnikov/buck,k21/buck,JoelMarcey/buck,shybovycha/buck,JoelMarcey/buck,vschs007/buck,LegNeato/buck,rmaz/buck,kageiit/buck,zpao/buck,SeleniumHQ/buck,brettwooldridge/buck,LegNeato/buck,facebook/buck,shs96c/buck,k21/buck,romanoid/buck,SeleniumHQ/buck,marcinkwiatkowski/buck,zhan-xiong/buck,marcinkwiatkowski/buck,SeleniumHQ/buck,SeleniumHQ/buck,clonetwin26/buck,marcinkwiatkowski/buck,zpao/buck,shybovycha/buck,robbertvanginkel/buck,clonetwin26/buck,romanoid/buck,clonetwin26/buck,robbertvanginkel/buck,LegNeato/buck,JoelMarcey/buck,clonetwin26/buck,JoelMarcey/buck,marcinkwiatkowski/buck,robbertvanginkel/buck,nguyentruongtho/buck,vschs007/buck,marcinkwiatkowski/buck,zhan-xiong/buck,LegNeato/buck,robbertvanginkel/buck,brettwooldridge/buck,JoelMarcey/buck,zhan-xiong/buck,shs96c/buck,zhan-xiong/buck,romanoid/buck,kageiit/buck,rmaz/buck,rmaz/buck,k21/buck,romanoid/buck,shs96c/buck,robbertvanginkel/buck,Addepar/buck,ilya-klyuchnikov/buck,dsyang/buck,brettwooldridge/buck,kageiit/buck,SeleniumHQ/buck,shs96c/buck,SeleniumHQ/buck,facebook/buck,LegNeato/buck,zhan-xiong/buck,zpao/buck,dsyang/buck,rmaz/buck,shybovycha/buck,shs96c/buck,vschs007/buck,robbertvanginkel/buck,dsyang/buck,brettwooldridge/buck,LegNeato/buck,ilya-klyuchnikov/buck,vschs007/buck,vschs007/buck,SeleniumHQ/buck,k21/buck,k21/buck,LegNeato/buck,dsyang/buck,dsyang/buck,clonetwin26/buck,brettwooldridge/buck,marcinkwiatkowski/buck,zpao/buck,clonetwin26/buck,rmaz/buck,Addepar/buck,dsyang/buck,clonetwin26/buck,Addepar/buck,zhan-xiong/buck,rmaz/buck,k21/buck,shs96c/buck,ilya-klyuchnikov/buck,Addepar/buck,dsyang/buck,k21/buck,romanoid/buck,brettwooldridge/buck,robbertvanginkel/buck,dsyang/buck,shs96c/buck,dsyang/buck,kageiit/buck,Addepar/buck,facebook/buck,shybovycha/buck,romanoid/buck,rmaz/buck,nguyentruongtho/buck,ilya-klyuchnikov/buck,robbertvanginkel/buck,k21/buck,brettwooldridge/buck,brettwooldridge/buck,ilya-klyuchnikov/buck,JoelMarcey/buck,vschs007/buck,brettwooldridge/buck,zhan-xiong/buck,vschs007/buck,nguyentruongtho/buck,SeleniumHQ/buck,ilya-klyuchnikov/buck,clonetwin26/buck,marcinkwiatkowski/buck,zhan-xiong/buck,LegNeato/buck,rmaz/buck,ilya-klyuchnikov/buck,kageiit/buck,nguyentruongtho/buck,k21/buck,shybovycha/buck,zhan-xiong/buck,shs96c/buck,dsyang/buck,marcinkwiatkowski/buck,LegNeato/buck,JoelMarcey/buck,nguyentruongtho/buck,vschs007/buck,k21/buck,Addepar/buck,romanoid/buck,rmaz/buck,rmaz/buck,zhan-xiong/buck,ilya-klyuchnikov/buck,SeleniumHQ/buck,LegNeato/buck,ilya-klyuchnikov/buck,zpao/buck,shs96c/buck,JoelMarcey/buck,rmaz/buck,clonetwin26/buck,SeleniumHQ/buck,Addepar/buck,robbertvanginkel/buck,zpao/buck,dsyang/buck,rmaz/buck,LegNeato/buck,romanoid/buck,vschs007/buck,facebook/buck,JoelMarcey/buck,zpao/buck,clonetwin26/buck,facebook/buck,romanoid/buck,Addepar/buck,romanoid/buck,shybovycha/buck,JoelMarcey/buck,robbertvanginkel/buck,shs96c/buck,JoelMarcey/buck,k21/buck,vschs007/buck,marcinkwiatkowski/buck,robbertvanginkel/buck,nguyentruongtho/buck,Addepar/buck,brettwooldridge/buck,shybovycha/buck,romanoid/buck,robbertvanginkel/buck,ilya-klyuchnikov/buck,JoelMarcey/buck,LegNeato/buck,marcinkwiatkowski/buck,nguyentruongtho/buck,shybovycha/buck,dsyang/buck,ilya-klyuchnikov/buck,clonetwin26/buck,facebook/buck,romanoid/buck,ilya-klyuchnikov/buck,Addepar/buck,JoelMarcey/buck,shs96c/buck,shybovycha/buck,Addepar/buck,shybovycha/buck,zhan-xiong/buck,marcinkwiatkowski/buck,Addepar/buck,marcinkwiatkowski/buck,shybovycha/buck,shybovycha/buck,k21/buck