editor: Shrink size of Inlay slightly (#39089)

And some other smaller cleanup things I noticed while reading through
some stuff

Release Notes:

- N/A *or* Added/Fixed/Improved ...

crates/text/src/anchor.rs

@@ -62,26 +62,23 @@ impl Anchor {
     }
 
     pub fn bias(&self, bias: Bias, buffer: &BufferSnapshot) -> Anchor {
-        if bias == Bias::Left {
-            self.bias_left(buffer)
-        } else {
-            self.bias_right(buffer)
+        match bias {
+            Bias::Left => self.bias_left(buffer),
+            Bias::Right => self.bias_right(buffer),
         }
     }
 
     pub fn bias_left(&self, buffer: &BufferSnapshot) -> Anchor {
-        if self.bias == Bias::Left {
-            *self
-        } else {
-            buffer.anchor_before(self)
+        match self.bias {
+            Bias::Left => *self,
+            Bias::Right => buffer.anchor_before(self),
         }
     }
 
     pub fn bias_right(&self, buffer: &BufferSnapshot) -> Anchor {
-        if self.bias == Bias::Right {
-            *self
-        } else {
-            buffer.anchor_after(self)
+        match self.bias {
+            Bias::Left => buffer.anchor_after(self),
+            Bias::Right => *self,
         }
     }
 
@@ -96,7 +93,7 @@ impl Anchor {
     pub fn is_valid(&self, buffer: &BufferSnapshot) -> bool {
         if *self == Anchor::MIN || *self == Anchor::MAX {
             true
-        } else if self.buffer_id != Some(buffer.remote_id) {
+        } else if self.buffer_id.is_none_or(|id| id != buffer.remote_id) {
             false
         } else {
             let Some(fragment_id) = buffer.try_fragment_id_for_anchor(self) else {