Preserve TS2306 for resolved non-module files before wildcard fallback

Co-authored-by: RyanCavanaugh <6685088+RyanCavanaugh@users.noreply.github.com>

tsc/internal/checker/checker.go

@@ -15695,10 +15695,6 @@ func (c *Checker) resolveExternalModule(
 			}
 			return c.tryResolvePatternAmbientModule(c.getMergedSymbol(sourceFile.Symbol), moduleReference, importAttributesType)
 		}
-		patternAmbientModule := c.tryResolvePatternAmbientModule(nil /*resolvedSymbol*/, moduleReference, importAttributesType)
-		if patternAmbientModule != nil {
-			return patternAmbientModule
-		}
 		if errorNode != nil && moduleNotFoundError != nil && !isSideEffectImport(errorNode) {
 			c.error(errorNode, diagnostics.File_0_is_not_a_module, resolvedModule.ResolvedFileName)
 		}

tsc/testdata/baselines/reference/compiler/patternAmbientModuleResolvedNonModule.errors.txt

@@ -1,5 +1,5 @@
-/src/main.ts(2,7): error TS2322: Type 'number' is not assignable to type 'string'.
-/src/main.ts(5,7): error TS2322: Type 'number' is not assignable to type 'string'.
+/src/main.ts(1,20): error TS2306: File '/stub.d.ts' is not a module.
+/src/main.ts(4,22): error TS2306: File '/generated/relative.svelte.d.ts' is not a module.
 
 
 ==== /tsconfig.json (0 errors) ====
@@ -27,14 +27,14 @@
     
 ==== /src/main.ts (2 errors) ====
     import script from "script.svelte";
+                       ~~~~~~~~~~~~~~~
+!!! error TS2306: File '/stub.d.ts' is not a module.
     const scriptValue: string = script;
-          ~~~~~~~~~~~
-!!! error TS2322: Type 'number' is not assignable to type 'string'.
     
     import relative from "./relative.svelte";
+                         ~~~~~~~~~~~~~~~~~~~
+!!! error TS2306: File '/generated/relative.svelte.d.ts' is not a module.
     const relativeValue: string = relative;
-          ~~~~~~~~~~~~~
-!!! error TS2322: Type 'number' is not assignable to type 'string'.
     
     import resolved from "module.svelte";
     const resolvedValue: string = resolved;

tsc/testdata/baselines/reference/compiler/patternAmbientModuleResolvedNonModule.types

@@ -13,18 +13,18 @@ declare module "*.svelte" {
 
 === /src/main.ts ===
 import script from "script.svelte";
->script : number
+>script : any
 
 const scriptValue: string = script;
 >scriptValue : string
->script : number
+>script : any
 
 import relative from "./relative.svelte";
->relative : number
+>relative : any
 
 const relativeValue: string = relative;
 >relativeValue : string
->relative : number
+>relative : any
 
 import resolved from "module.svelte";
 >resolved : string