Enable forceConsistentCasingInFileNames by default in newly generated configs (#39) (#33614)

*Issue number of the reported bug or feature request: #17542*

**Describe your changes**
Enabled `forceConsistentCasingInFileNames` in newly generated `tsconfig.json`s created by `tsc --init`.

**Testing performed**
The configuration option changed in the related tests.

**Additional context**
n/a


Signed-off-by: Prakash Lalwani <plalwani4@bloomberg.net>

src/compiler/commandLineParser.ts

@@ -1001,7 +1001,8 @@ namespace ts {
         module: ModuleKind.CommonJS,
         target: ScriptTarget.ES5,
         strict: true,
-        esModuleInterop: true
+        esModuleInterop: true,
+        forceConsistentCasingInFileNames: true
     };
 
     let optionNameMapCache: OptionNameMap;