registry: also skip .deps dirs when scanning for plugins
registry: also skip .deps dirs when scanning for plugins

No need to descend into .deps dirs in uninstalled setups, we know
these don't contain any plugins.

Lachann/gstreamer,StreamUtils/gstreamer,krichter722/gstreamer,jpakkane/gstreamer,Distrotech/gstreamer,mrchapp/gstreamer,lovebug356/gstreamer,surround-io/gstreamer,lubosz/gstreamer,Distrotech/gstreamer,lovebug356/gstreamer,cfoch/gstreamer,drothlis/gstreamer,ensonic/gstreamer,cablelabs/gstreamer,collects/gstreamer,shelsonjava/gstreamer,magcius/gstreamer,ensonic/gstreamer,krichter722/gstreamer,mparis/gstreamer,lovebug356/gstreamer,justinjoy/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,collects/gstreamer,StreamUtils/gstreamer,Distrotech/gstreamer,centricular/gstreamer,surround-io/gstreamer,lovebug356/gstreamer,Lachann/gstreamer,justinjoy/gstreamer,justinjoy/gstreamer,centricular/gstreamer,drothlis/gstreamer,ensonic/gstreamer,magcius/gstreamer,collects/gstreamer,shelsonjava/gstreamer,drothlis/gstreamer,ensonic/gstreamer,ensonic/gstreamer,ahmedammar/platform_external_gst_gstreamer,krieger-od/gstreamer,lubosz/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,Distrotech/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,centricular/gstreamer,Lachann/gstreamer,mrchapp/gstreamer,mrchapp/gstreamer,cfoch/gstreamer,cfoch/gstreamer,jpakkane/gstreamer,mparis/gstreamer,shelsonjava/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,ylatuya/gstreamer,jpxiong/gstreamer,justinjoy/gstreamer,krieger-od/gstreamer,magcius/gstreamer,surround-io/gstreamer,cablelabs/gstreamer,cablelabs/gstreamer,collects/gstreamer,Lachann/gstreamer,lubosz/gstreamer,drothlis/gstreamer,krichter722/gstreamer,magcius/gstreamer,cablelabs/gstreamer,centricular/gstreamer,cablelabs/gstreamer,krieger-od/gstreamer,collects/gstreamer,centricular/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,ylatuya/gstreamer,shelsonjava/gstreamer,mrchapp/gstreamer,jpxiong/gstreamer,cfoch/gstreamer,krieger-od/gstreamer,mparis/gstreamer,mparis/gstreamer,Distrotech/gstreamer,mrchapp/gstreamer,ylatuya/gstreamer,shelsonjava/gstreamer,jpakkane/gstreamer,StreamUtils/gstreamer,ahmedammar/platform_external_gst_gstreamer,ylatuya/gstreamer,ahmedammar/platform_external_gst_gstreamer,surround-io/gstreamer,jpakkane/gstreamer,ylatuya/gstreamer,ahmedammar/platform_external_gst_gstreamer,ahmedammar/platform_external_gst_gstreamer,magcius/gstreamer,drothlis/gstreamer,cfoch/gstreamer,StreamUtils/gstreamer,justinjoy/gstreamer,StreamUtils/gstreamer,lovebug356/gstreamer,mparis/gstreamer,krichter722/gstreamer