K2: Implement partially constrained lambda analysis (PCLA)

It's expected to partially mimic the behavior of what
previously was called builder inference, but with more clear contracts
(documentation is in progress, though)

See a lot of fixed issues in the later commits with test data,
especially [red-to-green]

^KT-59791 In Progress

compiler/fir/semantics/src/org/jetbrains/kotlin/fir/resolve/calls/ResolutionDiagnostic.kt

@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.fir.resolve.calls
 
 import org.jetbrains.kotlin.KtSourceElement
 import org.jetbrains.kotlin.fir.declarations.FirFunction
+import org.jetbrains.kotlin.fir.declarations.FirTypeParameter
 import org.jetbrains.kotlin.fir.declarations.FirValueParameter
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.expressions.FirNamedArgumentExpression
@@ -15,7 +16,6 @@ import org.jetbrains.kotlin.fir.symbols.FirBasedSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirConstructorSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirPropertySymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.ConeTypeVariable
 import org.jetbrains.kotlin.resolve.ForbiddenNamedArgumentsTarget
@@ -158,6 +158,7 @@ object AdaptedCallableReferenceIsUsedWithReflection : ResolutionDiagnostic(RESOL
 
 object TypeParameterAsExpression : ResolutionDiagnostic(INAPPLICABLE)
 
-class StubBuilderInferenceReceiver(
-    val typeParameterSymbol: FirTypeParameterSymbol
-) : ResolutionDiagnostic(RESOLVED_WITH_ERROR)
+class TypeVariableAsExplicitReceiver(
+    val explicitReceiver: FirExpression,
+    val typeParameter: FirTypeParameter,
+) : ResolutionDiagnostic(RESOLVED_WITH_ERROR)