Collect all deprecations, do not stop on the first found one

#KT-15245 In Progress

compiler/testData/diagnostics/tests/deprecated/warningOnConstructorErrorOnClass.kt

@@ -0,0 +1,8 @@
+// KT-15245 Report deprecation on associated declarations if level is greater than the deprecation on the declaration itself
+
+@Deprecated("error", level = DeprecationLevel.ERROR)
+class Foo @Deprecated("warning", level = DeprecationLevel.WARNING) constructor()
+
+fun test1() = <!DEPRECATION, DEPRECATION_ERROR!>Foo<!>()
+
+fun test2(): <!DEPRECATION_ERROR!>Foo<!> = <!DEPRECATION, DEPRECATION_ERROR!>Foo<!>()