Merge a bunch of fixes by kernel

kernelkind (3):
      fix: can upload photo from reply or quote
      fix: image shimmer bug
      feat: transitively trust images from parent note

crates/notedeck/src/imgcache.rs

@@ -89,7 +89,7 @@ impl TexturesCache {
 
         entry.replace_entry_with(|_, v| {
             let TextureStateInternal::Loading(textured) = v else {
-                return None;
+                return Some(v);
             };
 
             Some(TextureStateInternal::Loaded(textured))