Suggest to replace 'substring' calls by take/drop/dropLast calls when possible

#KT-10196 Fixed

idea/testData/intentions/replaceSubstringWithSubstringBefore/.intention

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.intentions.ReplaceSubstringWithSubstringBeforeIntention

idea/testData/intentions/replaceSubstringWithSubstringBefore/immutableProperty.kt

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+
+class A(val x: String)
+
+fun foo(a: A) {
+    a.x.substring<caret>(0, a.x.indexOf('x'))
+}

idea/testData/intentions/replaceSubstringWithSubstringBefore/immutableProperty.kt.after

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+
+class A(val x: String)
+
+fun foo(a: A) {
+    a.x.substringBefore('x')
+}

idea/testData/intentions/replaceSubstringWithSubstringBefore/nonZeroFirstArgument.kt

@@ -0,0 +1,6 @@
+// IS_APPLICABLE: false
+// WITH_RUNTIME
+
+fun foo(s: String) {
+    s.substring<caret>(1, s.indexOf('x'))
+}

idea/testData/intentions/replaceSubstringWithSubstringBefore/replaceWithSubstringBefore.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun foo(s: String) {
+    s.substring<caret>(0, s.indexOf('x'))
+}

idea/testData/intentions/replaceSubstringWithSubstringBefore/replaceWithSubstringBefore.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun foo(s: String) {
+    s.substringBefore('x')
+}

idea/testData/intentions/replaceSubstringWithSubstringBefore/semicolon.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun foo(s: String) {
+    s.substring<caret>(0, s.indexOf('x'));
+}

idea/testData/intentions/replaceSubstringWithSubstringBefore/semicolon.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun foo(s: String) {
+    s.substringBefore('x');
+}