[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/insidePlusAssignTargetScript.txt

@@ -8,7 +8,7 @@ R|kotlin/collections/mutableListOf|<R|kotlin/String|>()
 FIR FILE:
 FILE: [ResolvedTo(IMPORTS)] insidePlusAssignTargetScript.kts
     context(<script>@R|kotlin/script/templates/standard/ScriptTemplateWithArgs|)
-    SCRIPT: [ResolvedTo(TYPES)] 
+    SCRIPT: [ResolvedTo(TYPES)] <script-insidePlusAssignTargetScript.kts>
         [ResolvedTo(RAW_FIR)] lval args: R|kotlin/Array<kotlin/String>|
 
         public final [ResolvedTo(BODY_RESOLVE)] fun foo([ResolvedTo(BODY_RESOLVE)] x: R|kotlin/collections/MutableMap<kotlin/Int, kotlin/collections/MutableList<kotlin/String>>|): R|kotlin/Unit| {
@@ -16,4 +16,4 @@ FILE: [ResolvedTo(IMPORTS)] insidePlusAssignTargetScript.kts
                 ^ R|kotlin/collections/mutableListOf|<R|kotlin/String|>()
             }
             ).R|kotlin/collections/plusAssign|<R|kotlin/String|>(String(str))
-        }
+        }