[SLC] LazyAnnotationsBox: drop redundant synchronization

We can use less strict rule for produced annotations:
* Previously: the same annotations from `findAnnotation` and `annotations`
have the same identity
* Now: the same annotations from `findAnnotation` and `annotations`
are equals by 'equals'

^KT-56046

analysis/symbol-light-classes/testData/annotationsEquality/OverrideMethod.java

@@ -0,0 +1,6 @@
+public final class OverrideMethod /* one.OverrideMethod*/ extends one.AbstractClass {
+  @java.lang.Override()
+  public void foo();//  foo()
+
+  public  OverrideMethod();//  .ctor()
+}

analysis/symbol-light-classes/testData/annotationsEquality/OverrideMethod.kt

@@ -0,0 +1,13 @@
+// PSI: org.jetbrains.kotlin.light.classes.symbol.methods.SymbolLightSimpleMethod
+// EXPECTED: java.lang.Override
+
+package one
+
+abstract class AbstractClass {
+    abstract fun foo()
+}
+
+class OverrideMethod : AbstractClass() {
+    override fun f<caret>oo() {
+    }
+}

analysis/symbol-light-classes/testData/annotationsEquality/TopLevelFunctionWithDeprecatedAnnotation.java

@@ -0,0 +1,5 @@
+public final class TopLevelFunctionWithDeprecatedAnnotationKt /* one.TopLevelFunctionWithDeprecatedAnnotationKt*/ {
+  @kotlin.Deprecated(message = "")
+  @one.Anno()
+  public static final void regularFunction();//  regularFunction()
+}

analysis/symbol-light-classes/testData/annotationsEquality/TopLevelFunctionWithDeprecatedAnnotation.kt

@@ -0,0 +1,12 @@
+// PSI: org.jetbrains.kotlin.light.classes.symbol.methods.SymbolLightSimpleMethod
+// EXPECTED: kotlin.Deprecated
+// UNEXPECTED: kotlin.jvm.JvmRecord
+// EXPECTED: one.Anno
+// UNEXPECTED: one.Anno2
+
+package one
+
+annotation class Anno
+
+@Deprecated("") @Anno
+fun regul<caret>arFunction() {}

analysis/symbol-light-classes/testData/annotationsEquality/TopLevelFunctionWithRegularAnnotation.java

@@ -0,0 +1,4 @@
+public final class TopLevelFunctionWithRegularAnnotationKt /* one.TopLevelFunctionWithRegularAnnotationKt*/ {
+  @one.Anno()
+  public static final void regularFunction();//  regularFunction()
+}

analysis/symbol-light-classes/testData/annotationsEquality/TopLevelFunctionWithRegularAnnotation.kt

@@ -0,0 +1,10 @@
+// PSI: org.jetbrains.kotlin.light.classes.symbol.methods.SymbolLightSimpleMethod
+// EXPECTED: one.Anno
+// UNEXPECTED: one.Anno2
+
+package one
+
+annotation class Anno
+
+@Anno
+fun regul<caret>arFunction() {}