[FIR] FirRenderer: render name for scripts

A script name is important information, so it is better to render it.
This also will fix the inconsistency with redundant space after 'SCRIPT:'.

analysis/low-level-api-fir/testData/getOrBuildFir/expressions/whileExpressionScript.txt

@@ -9,11 +9,11 @@ while(Boolean(true)) {
 FIR FILE:
 FILE: [ResolvedTo(IMPORTS)] whileExpressionScript.kts
     context(<script>@R|kotlin/script/templates/standard/ScriptTemplateWithArgs|)
-    SCRIPT: [ResolvedTo(TYPES)] 
+    SCRIPT: [ResolvedTo(TYPES)] <script-whileExpressionScript.kts>
         [ResolvedTo(RAW_FIR)] lval args: R|kotlin/Array<kotlin/String>|
 
         public final [ResolvedTo(BODY_RESOLVE)] fun foo(): R|kotlin/Unit| {
             while(Boolean(true)) {
             }
 
-        }
+        }