avm1: Use more let-else in native methods

It's slightly shorter, and cleaner.

Author: moulins

core/src/avm1/globals/bevel_filter.rs

@@ -450,9 +450,8 @@ fn method<'gc>(
         return Ok(this.into());
     }
 
-    let this = match this.native() {
-        NativeObject::BevelFilter(bevel_filter) => bevel_filter,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::BevelFilter(this) = this.native() else {
+        return Ok(Value::Undefined);
     };
 
     Ok(match index {

core/src/avm1/globals/blur_filter.rs

@@ -160,9 +160,8 @@ fn method<'gc>(
         return Ok(this.into());
     }
 
-    let this = match this.native() {
-        NativeObject::BlurFilter(blur_filter) => blur_filter,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::BlurFilter(this) = this.native() else {
+        return Ok(Value::Undefined);
     };
 
     Ok(match index {

core/src/avm1/globals/color_matrix_filter.rs

@@ -145,9 +145,8 @@ fn method<'gc>(
         return Ok(this.into());
     }
 
-    let this = match this.native() {
-        NativeObject::ColorMatrixFilter(color_matrix_filter) => color_matrix_filter,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::ColorMatrixFilter(this) = this.native() else {
+        return Ok(Value::Undefined);
     };
 
     Ok(match index {

core/src/avm1/globals/convolution_filter.rs

@@ -357,9 +357,8 @@ fn method<'gc>(
         return Ok(this.into());
     }
 
-    let this = match this.native() {
-        NativeObject::ConvolutionFilter(convolution_filter) => convolution_filter,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::ConvolutionFilter(this) = this.native() else {
+        return Ok(Value::Undefined);
     };
 
     Ok(match index {

core/src/avm1/globals/date.rs

@@ -454,9 +454,8 @@ fn method<'gc>(
         _ => {}
     }
 
-    let date_ref = match this.native() {
-        NativeObject::Date(date) => date,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::Date(date_ref) = this.native() else {
+        return Ok(Value::Undefined);
     };
     let date = date_ref.get();
 

core/src/avm1/globals/displacement_map_filter.rs

@@ -346,9 +346,8 @@ fn method<'gc>(
         return Ok(this.into());
     }
 
-    let this = match this.native() {
-        NativeObject::DisplacementMapFilter(displacement_map_filter) => displacement_map_filter,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::DisplacementMapFilter(this) = this.native() else {
+        return Ok(Value::Undefined);
     };
 
     Ok(match index {

core/src/avm1/globals/drop_shadow_filter.rs

@@ -373,9 +373,8 @@ fn method<'gc>(
         return Ok(this.into());
     }
 
-    let this = match this.native() {
-        NativeObject::DropShadowFilter(drop_shadow_filter) => drop_shadow_filter,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::DropShadowFilter(this) = this.native() else {
+        return Ok(Value::Undefined);
     };
 
     Ok(match index {

core/src/avm1/globals/glow_filter.rs

@@ -295,9 +295,8 @@ fn method<'gc>(
         return Ok(this.into());
     }
 
-    let this = match this.native() {
-        NativeObject::GlowFilter(glow_filter) => glow_filter,
-        _ => return Ok(Value::Undefined),
+    let NativeObject::GlowFilter(this) = this.native() else {
+        return Ok(Value::Undefined);
     };
 
     Ok(match index {