fix failing test case for each-block-keyed-else (#4536 and #4549)

src/compiler/compile/render_dom/wrappers/EachBlock.ts

@@ -423,7 +423,7 @@ export default class EachBlockWrapper extends Wrapper {
 		if (all_dependencies.size) {
 			block.chunks.update.push(b`
 				if (${block.renderer.dirty(Array.from(all_dependencies))}) {
-					const ${this.vars.each_block_value} = ${snippet};
+					${this.vars.each_block_value} = ${snippet};
 					${this.renderer.options.dev && b`@validate_each_argument(${this.vars.each_block_value});`}
 
 					${this.block.has_outros && b`@group_outros();`}

test/js/samples/each-block-keyed-animated/expected.js

@@ -93,7 +93,7 @@ function create_fragment(ctx) {
 		},
 		p(ctx, [dirty]) {
 			if (dirty & /*things*/ 1) {
-				const each_value = /*things*/ ctx[0];
+				each_value = /*things*/ ctx[0];
 				for (let i = 0; i < each_blocks.length; i += 1) each_blocks[i].r();
 				each_blocks = update_keyed_each(each_blocks, dirty, get_key, 1, ctx, each_value, each_1_lookup, each_1_anchor.parentNode, fix_and_destroy_block, create_each_block, each_1_anchor, get_each_context);
 				for (let i = 0; i < each_blocks.length; i += 1) each_blocks[i].a();

test/js/samples/each-block-keyed/expected.js

@@ -78,7 +78,7 @@ function create_fragment(ctx) {
 		},
 		p(ctx, [dirty]) {
 			if (dirty & /*things*/ 1) {
-				const each_value = /*things*/ ctx[0];
+				each_value = /*things*/ ctx[0];
 				each_blocks = update_keyed_each(each_blocks, dirty, get_key, 1, ctx, each_value, each_1_lookup, each_1_anchor.parentNode, destroy_block, create_each_block, each_1_anchor, get_each_context);
 			}
 		},