refactor(cli/js): Replace constructError() with getErrorClass() (#4189)

Flattens dispatch error handling to produce one less useless stack frame on op errors.

cli/tests/044_bad_resource.ts.out

@@ -1,7 +1,6 @@
 [WILDCARD]
 error: Uncaught BadResource: bad resource id
-[WILDCARD]errors.ts:[WILDCARD]
+[WILDCARD]dispatch_json.ts:[WILDCARD]
     at BadResource ([WILDCARD]errors.ts:[WILDCARD])
-    at constructError ([WILDCARD]errors.ts:[WILDCARD])
     at unwrapResponse ([WILDCARD]dispatch_json.ts:[WILDCARD])
     at sendAsync ([WILDCARD]dispatch_json.ts:[WILDCARD])

cli/tests/error_004_missing_module.ts.out

@@ -1,6 +1,5 @@
 [WILDCARD]error: Uncaught NotFound: Cannot resolve module "[WILDCARD]/bad-module.ts" from "[WILDCARD]/error_004_missing_module.ts"
-[WILDCARD]errors.ts:[WILDCARD]
+[WILDCARD]dispatch_json.ts:[WILDCARD]
     at NotFound ([WILDCARD]errors.ts:[WILDCARD])
-    at constructError ([WILDCARD]errors.ts:[WILDCARD])
     at unwrapResponse ([WILDCARD]dispatch_json.ts:[WILDCARD])
     at sendAsync[WILDCARD] ([WILDCARD]dispatch_json.ts:[WILDCARD])

cli/tests/error_005_missing_dynamic_import.ts.out

@@ -1,6 +1,5 @@
 [WILDCARD]error: Uncaught NotFound: Cannot resolve module "[WILDCARD]/bad-module.ts" from "[WILDCARD]/error_005_missing_dynamic_import.ts"
-[WILDCARD]errors.ts:[WILDCARD]
+[WILDCARD]dispatch_json.ts:[WILDCARD]
     at NotFound ([WILDCARD]errors.ts:[WILDCARD])
-    at constructError ([WILDCARD]errors.ts:[WILDCARD])
     at unwrapResponse ([WILDCARD]dispatch_json.ts:[WILDCARD])
     at sendAsync[WILDCARD] ([WILDCARD]dispatch_json.ts:[WILDCARD])

cli/tests/error_006_import_ext_failure.ts.out

@@ -1,6 +1,5 @@
 [WILDCARD]error: Uncaught NotFound: Cannot resolve module "[WILDCARD]/non-existent" from "[WILDCARD]/error_006_import_ext_failure.ts"
-[WILDCARD]errors.ts:[WILDCARD]
+[WILDCARD]dispatch_json.ts:[WILDCARD]
     at NotFound ([WILDCARD]errors.ts:[WILDCARD])
-    at constructError ([WILDCARD]errors.ts:[WILDCARD])
     at unwrapResponse ([WILDCARD]dispatch_json.ts:[WILDCARD])
     at sendAsync[WILDCARD] ([WILDCARD]dispatch_json.ts:[WILDCARD])

cli/tests/error_011_bad_module_specifier.ts.out

@@ -1,6 +1,5 @@
 [WILDCARD]error: Uncaught URIError: relative import path "bad-module.ts" not prefixed with / or ./ or ../ Imported from "[WILDCARD]/error_011_bad_module_specifier.ts"
-[WILDCARD]errors.ts:[WILDCARD]
-    at constructError ($deno$/errors.ts:[WILDCARD])
+[WILDCARD]dispatch_json.ts:[WILDCARD]
     at unwrapResponse ($deno$/dispatch_json.ts:[WILDCARD])
     at sendSync ($deno$/dispatch_json.ts:[WILDCARD])
     at resolveModules ($deno$/compiler_imports.ts:[WILDCARD])

cli/tests/error_012_bad_dynamic_import_specifier.ts.out

@@ -1,6 +1,5 @@
 [WILDCARD]error: Uncaught URIError: relative import path "bad-module.ts" not prefixed with / or ./ or ../ Imported from "[WILDCARD]/error_012_bad_dynamic_import_specifier.ts"
-[WILDCARD]errors.ts:[WILDCARD]
-    at constructError ($deno$/errors.ts:[WILDCARD])
+[WILDCARD]dispatch_json.ts:[WILDCARD]
     at unwrapResponse ($deno$/dispatch_json.ts:[WILDCARD])
     at sendSync ($deno$/dispatch_json.ts:[WILDCARD])
     at resolveModules ($deno$/compiler_imports.ts:[WILDCARD])

cli/tests/error_type_definitions.ts.out

@@ -1,6 +1,5 @@
 [WILDCARD]error: Uncaught URIError: relative import path "baz" not prefixed with / or ./ or ../ Imported from "[WILDCARD]/type_definitions/bar.d.ts"
-[WILDCARD]errors.ts:[WILDCARD]
-    at constructError ($deno$/errors.ts:[WILDCARD])
+[WILDCARD]dispatch_json.ts:[WILDCARD]
     at unwrapResponse ($deno$/dispatch_json.ts:[WILDCARD])
     at sendSync ($deno$/dispatch_json.ts:[WILDCARD])
     at resolveModules ($deno$/compiler_imports.ts:[WILDCARD])