FIR: set isOperator only for Java methods with appropriate names

#KT-35133 Fixed

idea/testData/fir/multiModule/basicWithAnnotatedJava/extraDump.java.txt

@@ -1,5 +1,5 @@
 public open class Annotated : R|kotlin/Any| {
-    @R|org/jetbrains/annotations/NotNull|() public open operator fun foo(@R|org/jetbrains/annotations/Nullable|() param: R|kotlin/String?|): R|kotlin/String|
+    @R|org/jetbrains/annotations/NotNull|() public open fun foo(@R|org/jetbrains/annotations/Nullable|() param: R|kotlin/String?|): R|kotlin/String|
 
     public constructor(): R|Annotated|
 

idea/testData/fir/multiModule/basicWithAnnotatedOverriddenJava/extraDump.java.txt

@@ -1,11 +1,11 @@
 public open class Annotated : R|kotlin/Any| {
-    @R|org/jetbrains/annotations/NotNull|() public open operator fun foo(@R|org/jetbrains/annotations/Nullable|() param: R|kotlin/String?|): R|kotlin/String|
+    @R|org/jetbrains/annotations/NotNull|() public open fun foo(@R|org/jetbrains/annotations/Nullable|() param: R|kotlin/String?|): R|kotlin/String|
 
     public constructor(): R|Annotated|
 
 }
 public open class AnnotatedDerived : R|Annotated| {
-    public open operator fun foo(param: R|kotlin/String?|): R|kotlin/String|
+    public open fun foo(param: R|kotlin/String?|): R|kotlin/String|
 
     public constructor(): R|AnnotatedDerived|
 

idea/testData/fir/multiModule/basicWithJavaFakeOverride/extraDump.java.txt

@@ -1,5 +1,5 @@
 public open class A<T> : R|kotlin/Any| {
-    public open operator fun foo(t: R|ft<T, T?>!|): R|ft<T, T?>!|
+    public open fun foo(t: R|ft<T, T?>!|): R|ft<T, T?>!|
 
     public constructor<T>(): R|A<T>|
 

idea/testData/fir/multiModule/basicWithPrimitiveJava/extraDump.java.txt

@@ -1,7 +1,7 @@
 public open class Some : R|kotlin/Any| {
-    public open operator fun foo(param: R|kotlin/Int|): R|kotlin/Boolean|
+    public open fun foo(param: R|kotlin/Int|): R|kotlin/Boolean|
 
-    public open operator fun bar(arr: R|ft<kotlin/IntArray, kotlin/IntArray?>!|): R|ft<kotlin/Array<ft<kotlin/String, kotlin/String?>!>, kotlin/Array<out ft<kotlin/String, kotlin/String?>!>?>!|
+    public open fun bar(arr: R|ft<kotlin/IntArray, kotlin/IntArray?>!|): R|ft<kotlin/Array<ft<kotlin/String, kotlin/String?>!>, kotlin/Array<out ft<kotlin/String, kotlin/String?>!>?>!|
 
     public constructor(): R|Some|
 

idea/testData/fir/multiModule/intersectionTypesProblem/extraDump.java.txt

@@ -1,12 +1,12 @@
 public abstract interface Diagnostic : R|kotlin/Any| {
 }
 public abstract interface DiagnosticWithParameters1<E, A> : R|jvm/Diagnostic| {
-    public abstract operator fun getA(): R|ft<A, A?>!|
+    public abstract fun getA(): R|ft<A, A?>!|
 
 }
 public abstract interface DiagnosticWithParameters2<E, A, B> : R|jvm/Diagnostic| {
-    public abstract operator fun getA(): R|ft<A, A?>!|
+    public abstract fun getA(): R|ft<A, A?>!|
 
-    public abstract operator fun getB(): R|ft<B, B?>!|
+    public abstract fun getB(): R|ft<B, B?>!|
 
 }

idea/testData/fir/multiModule/javaGetPrefixConflict/extraDump.java.txt

@@ -1,7 +1,7 @@
 public open class JavaClass : R|kotlin/Any| {
-    public open operator fun getText(): R|ft<kotlin/String, kotlin/String?>!|
+    public open fun getText(): R|ft<kotlin/String, kotlin/String?>!|
 
-    public open operator fun getText(param: R|ft<kotlin/String, kotlin/String?>!|): R|ft<kotlin/String, kotlin/String?>!|
+    public open fun getText(param: R|ft<kotlin/String, kotlin/String?>!|): R|ft<kotlin/String, kotlin/String?>!|
 
     public constructor(): R|JavaClass|
 

idea/testData/fir/multiModule/javaInheritsKotlinExtension/extraDump.java.txt

@@ -1,5 +1,5 @@
 public open class Inheritor : R|Second| {
-    public open operator fun R|First|.foo(first: R|kotlin/String|, s: R|kotlin/Int|): R|kotlin/Unit|
+    public open fun R|First|.foo(first: R|kotlin/String|, s: R|kotlin/Int|): R|kotlin/Unit|
 
     public constructor(): R|Inheritor|
 

idea/testData/fir/multiModule/javaInheritsKotlinProperty/extraDump.java.txt

@@ -1,5 +1,5 @@
 public open class Inheritor : R|kotlin/Any|, R|Base| {
-    public open operator fun getX(): R|kotlin/Int|
+    public open fun getX(): R|kotlin/Int|
 
     public constructor(): R|Inheritor|
 

idea/testData/fir/multiModule/javaInheritsRawKotlin/extraDump.java.txt

@@ -1,5 +1,5 @@
 public open class Some : R|kotlin/Any|, R|Strange<kotlin/Any?>| {
-    public open operator fun foo(): R|kotlin/Any?|
+    public open fun foo(): R|kotlin/Any?|
 
     public constructor(): R|Some|
 

idea/testData/fir/multiModule/javaSyntheticProperty/extraDump.java.txt

@@ -1,5 +1,5 @@
 public/*package*/ open class JavaClass : R|kotlin/Any| {
-    public open operator fun getFoo(): R|ft<kotlin/String, kotlin/String?>!|
+    public open fun getFoo(): R|ft<kotlin/String, kotlin/String?>!|
 
     public/*package*/ constructor(): R|JavaClass|
 

idea/testData/fir/multiModule/overrideWithJava/extraDump.java.txt

@@ -1,7 +1,7 @@
 public open class A : R|kotlin/Any| {
-    public open operator fun foo(): R|ft<A, A?>!|
+    public open fun foo(): R|ft<A, A?>!|
 
-    public open operator fun bar(): R|ft<A, A?>!|
+    public open fun bar(): R|ft<A, A?>!|
 
     public constructor(): R|A|