Fix compiler bug with nested optional arguments

This commit fixes compiler bug where it fails when optional values are
compiled into absent values in nested calls.

- Throw exception with more context for easier future debugging.
- Add better validation of argument values for nested calls.
- Refactor `FunctionCallCompiler` for better clarity and modularize it
  to make it more maintainable and testable.
- Refactor related interface to not have `I` prefix, and
  function/variable names for better clarity.

Context:

Discovered this issue while attempting to call
`RunInlineCodeAsTrustedInstaller` which in turn invokes `RunPowerShell`
for issue #246. This led to the realization that despite parameters
flagged as optional, the nested argument compilation didn't support
them.

src/application/Parser/Script/Compiler/Function/Call/FunctionCallParser.ts

@@ -1,10 +1,10 @@
 import type { FunctionCallData, FunctionCallsData, FunctionCallParametersData } from '@/application/collections/';
-import { IFunctionCall } from './IFunctionCall';
+import { FunctionCall } from './FunctionCall';
 import { FunctionCallArgumentCollection } from './Argument/FunctionCallArgumentCollection';
 import { FunctionCallArgument } from './Argument/FunctionCallArgument';
-import { FunctionCall } from './FunctionCall';
+import { ParsedFunctionCall } from './ParsedFunctionCall';
 
-export function parseFunctionCalls(calls: FunctionCallsData): IFunctionCall[] {
+export function parseFunctionCalls(calls: FunctionCallsData): FunctionCall[] {
   if (calls === undefined) {
     throw new Error('missing call data');
   }
@@ -22,12 +22,12 @@ function getCallSequence(calls: FunctionCallsData): FunctionCallData[] {
   return [calls as FunctionCallData];
 }
 
-function parseFunctionCall(call: FunctionCallData): IFunctionCall {
+function parseFunctionCall(call: FunctionCallData): FunctionCall {
   if (!call) {
     throw new Error('missing call data');
   }
   const callArgs = parseArgs(call.parameters);
-  return new FunctionCall(call.function, callArgs);
+  return new ParsedFunctionCall(call.function, callArgs);
 }
 
 function parseArgs(