Inverts the icons to follow more what's in the phone app instead of CallKit.

6 lat temu · 96b226de24
--- a/ios/app/watchos/app/Assets.xcassets/mute-off.imageset/mute-off@2x.png
+++ b/ios/app/watchos/app/Assets.xcassets/mute-off.imageset/mute-off@2x.png
--- a/ios/app/watchos/app/Assets.xcassets/mute-on.imageset/mute-on@2x.png
+++ b/ios/app/watchos/app/Assets.xcassets/mute-on.imageset/mute-on@2x.png