[light classes] optimize accessors retrieval

Avoid expensive calls to `navigationElement` for methods
that cannot be getters/setters and would be filtered later.
Repeat partly naming generation strategy.

Merge-request: KT-MR-10689
Merged-by: Anna Kozlova <Anna.Kozlova@jetbrains.com>

generators/analysis-api-generator/tests/org/jetbrains/kotlin/generators/tests/analysis/api/lightClasses.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.generators.tests.analysis.api
 import org.jetbrains.kotlin.generators.TestGroup
 import org.jetbrains.kotlin.generators.TestGroupSuite
 import org.jetbrains.kotlin.generators.util.TestGeneratorUtil
+import org.jetbrains.kotlin.light.classes.symbol.base.AbstractLightClassUtilTest
 import org.jetbrains.kotlin.light.classes.symbol.base.AbstractSymbolLightClassesEquivalentTest
 import org.jetbrains.kotlin.light.classes.symbol.decompiled.*
 import org.jetbrains.kotlin.light.classes.symbol.source.*
@@ -50,6 +51,12 @@ internal fun TestGroupSuite.generateSymbolLightClassesTests() {
                 model("annotationsEquality", pattern = TestGeneratorUtil.KT)
             }
         }
+
+        run {
+            testClass<AbstractLightClassUtilTest> {
+                model("lightElements", pattern = TestGeneratorUtil.KT)
+            }
+        }
     }
 }