KT-32163: Open Quick Documentation when cursor inside function / constructor brackets (#2502)

* Show function docs when cursor is in args of the function call

* Show constructor docs when cursor is in args of the constructor call

* Show function docs when cursor is in args of the kt function call

* Add some tests

* Use JavaDocumentationProvider to fetch java method document

* Support caret in params

#KT-32163 fixed

idea/testData/editor/quickDoc/OnMethodUsageInParen.kt

@@ -0,0 +1,18 @@
+/**
+Some documentation
+
+ * @param a Some int
+ * @param b String
+ */
+fun testMethod(a: Int, b: String) {
+
+}
+
+fun test() {
+    testMethod(<caret>1, "value")
+}
+
+//INFO: <div class='definition'><pre><font color="808080"><i>OnMethodUsageInParen.kt</i></font><br>public fun <b>testMethod</b>(
+//INFO:     a: Int,
+//INFO:     b: String
+//INFO: ): Unit</pre></div><div class='content'><p>Some documentation</p></div><table class='sections'><tr><td valign='top' class='section'><p>Params:</td><td valign='top'><p><code>a</code> - Some int<p><code>b</code> - String</td></table>