fix(browser): omit erased type-only import-equals from source-map dependencies (#4165)

Source-map original-source parsing reported `import type X = require("m")`
as a require dependency, although TypeScript erases the declaration. The
fetcher re-derived import-equals targets instead of using the existing
value-only rule. That rule now lives with the other type-only module
declaration predicates in javascriptModuleDeclaration, and the fetcher,
static analysis, and semantic analysis all use it.

Fixes #3932

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

src/domain/javascript/javascriptStaticAnalysis.ts

@@ -51,11 +51,11 @@ import {
 } from "./javascriptSourceParser.js";
 
 import { createJavaScriptRpcScan } from "./javascriptRpcEndpoints.js";
-import { semanticImportEqualsSpecifier } from "./javascriptSemanticProjection.js";
 import {
   hasUncertainTypeOnlyModuleSideEffect,
   isTypeOnlyExportDeclaration,
   isTypeOnlyImportDeclaration,
+  semanticImportEqualsSpecifier,
 } from "./javascriptModuleDeclaration.js";
 
 /** Parse one JavaScript artifact and recover static structure only. */