fix(config): disable rewriteRelativeImportExtensions always

Since this flag only works with `--noEmit` or `--emitDeclarationOnly` is enabled but `ts-jest` doesn't use those options

Fixes #4855

Author: ahnpnl

src/legacy/config/config-set.spec.ts

@@ -85,6 +85,7 @@ describe('config-set', () => {
             emitDeclarationOnly: true,
             sourceRoot: 'foo',
             tsBuildInfoFile: 'foo.info',
+            rewriteRelativeImportExtensions: true,
           },
         }).options,
       ).toMatchObject({
@@ -93,6 +94,7 @@ describe('config-set', () => {
         isolatedDeclarations: false,
         noEmit: false,
         removeComments: false,
+        rewriteRelativeImportExtensions: false,
       })
     })
 

src/legacy/config/config-set.ts

@@ -177,6 +177,7 @@ export class ConfigSet {
     emitDeclarationOnly: undefined,
     sourceRoot: undefined,
     tsBuildInfoFile: undefined,
+    rewriteRelativeImportExtensions: false,
   }
 
   /**