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/JavaClassConstructorUsedInKotlin.kt

@@ -0,0 +1,7 @@
+fun testing() {
+    SomeClassWithParen("param", 1<caret>)
+}
+
+//INFO: <div class='definition'><pre><a href="psi_element://SomeClassWithParen"><code>SomeClassWithParen</code></a><br><i>@Contract(pure = true)</i>&nbsp;
+//INFO: public&nbsp;<b>SomeClassWithParen</b>(<a href="psi_element://java.lang.String"><code>String</code></a>&nbsp;str,
+//INFO:                           int&nbsp;num)</pre></div><table class='sections'><p><tr><td valign='top' class='section'><p><i>Inferred</i> annotations:</td><td valign='top'><p><i>@org.jetbrains.annotations.Contract(pure = true)</i></td></table>

idea/testData/editor/quickDoc/JavaClassConstructorUsedInKotlin_Data.java

@@ -0,0 +1,11 @@
+/**
+ * Some Java Class
+ */
+public class SomeClassWithParen {
+    String str;
+    int num;
+    public SomeClassWithParen(String str, int num) {
+        this.str = str;
+        this.num = num;
+    }
+}

idea/testData/editor/quickDoc/JavaMethodUsedInKotlinInParen.kt

@@ -0,0 +1,10 @@
+fun ktTestWithParen() {
+    TestWithParen.foo("SomeTest", 1<caret>)
+}
+
+//INFO: <div class='definition'><pre><a href="psi_element://TestWithParen"><code>TestWithParen</code></a><br><i>@Contract(value = &quot;_, _ -&gt; new&quot;,&nbsp;pure = true)</i>&nbsp;
+//INFO: <i>@<a href="psi_element://org.jetbrains.annotations.NotNull"><code>NotNull</code></a></i>&nbsp;
+//INFO: public static&nbsp;<a href="psi_element://java.lang.Object"><code>Object</code></a>[]&nbsp;<b>foo</b>(<a href="psi_element://java.lang.String"><code>String</code></a>&nbsp;str,
+//INFO:                            int&nbsp;num)</pre></div><div class='content'>
+//INFO:        Java Method
+//INFO:      <p></div><table class='sections'><p><tr><td valign='top' class='section'><p><i>Inferred</i> annotations:</td><td valign='top'><p><i>@org.jetbrains.annotations.Contract(value = &quot;_, _ -&gt; new&quot;,&nbsp;pure = true)</i> <i>@<a href="psi_element://org.jetbrains.annotations.NotNull">org.jetbrains.annotations.NotNull</a></i></td></table>

idea/testData/editor/quickDoc/JavaMethodUsedInKotlinInParen_Data.java

@@ -0,0 +1,8 @@
+class TestWithParen {
+    /**
+     * Java Method
+     */
+    public static Object[] foo(String str, int num) {
+        return new Object[0];
+    }
+}

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>