fix(clippy): make clippy = host libs + riscv programs (shared PROGRAMS); libkos alloc spinlock (was unlocked across threads); keystore Account; gpu Rect; factory Entry; Default impls, let-chains, div_ceil, iter loops

crates/servers/storage-server/src/adapters/mock_fs.rs

@@ -44,16 +44,21 @@ impl MockFileSystem {
 
     fn find_by_name(&self, path: &[u8]) -> Option<usize> {
         for i in 0..MAX_FILES {
-            if let Some(entry) = &self.files[i] {
-                if entry.name == *path {
+            if let Some(entry) = &self.files[i]
+                && entry.name == *path {
                     return Some(i);
                 }
-            }
         }
         None
     }
 }
 
+impl Default for MockFileSystem {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl FileSystem for MockFileSystem {
     fn writable(&self) -> bool {
         !self.read_only