fix: resolve all clippy warnings — redundant closures, dead code, collapsible_if, needless borrow

crates/domain/src/models/thought.rs

@@ -9,7 +9,7 @@ pub enum Visibility {
     Direct,
 }
 impl Visibility {
-    pub fn from_str(s: &str) -> Self {
+    pub fn from_db_str(s: &str) -> Self {
         match s {
             "followers" => Self::Followers,
             "unlisted" => Self::Unlisted,