Generic/DisallowTabIndent: improve handling of yield from

This commit on the one hand confirms (via a test) that indentation for a multi-line `yield from` expression is now handled correctly by the sniff.

On the other hand, this commit enables checking for tabs being used for inline "alignment" between the `yield` and the `from` keyword.
This will now also be handled (and auto-fixed) by this sniff. Includes test.

Author: jrfnl

src/Standards/Generic/Sniffs/WhiteSpace/DisallowTabIndentSniff.php

@@ -78,6 +78,7 @@ public function process(File $phpcsFile, $stackPtr)
             T_COMMENT                => true,
             T_END_HEREDOC            => true,
             T_END_NOWDOC             => true,
+            T_YIELD_FROM             => true,
         ];
 
         for ($i = 0; $i < $phpcsFile->numTokens; $i++) {

src/Standards/Generic/Tests/WhiteSpace/DisallowTabIndentUnitTest.1.inc

@@ -91,3 +91,12 @@ $var = "$hello	$there";
 
 	 Another line.
 	 */
+
+// A `yield from` can be single-line and multiline and may contain a tab in the whitespace between the keywords.
+function myGenerator() {
+    yield		from gen1();
+
+    yield
+	from
+    gen2();
+}

src/Standards/Generic/Tests/WhiteSpace/DisallowTabIndentUnitTest.1.inc.fixed

@@ -91,3 +91,12 @@ $var = "$hello	$there";
 
      Another line.
      */
+
+// A `yield from` can be single-line and multiline and may contain a tab in the whitespace between the keywords.
+function myGenerator() {
+    yield       from gen1();
+
+    yield
+    from
+    gen2();
+}

src/Standards/Generic/Tests/WhiteSpace/DisallowTabIndentUnitTest.php

@@ -50,43 +50,45 @@ public function getErrorList($testFile='')
         switch ($testFile) {
         case 'DisallowTabIndentUnitTest.1.inc':
             return [
-                5  => 2,
-                9  => 1,
-                15 => 1,
-                20 => 2,
-                21 => 1,
-                22 => 2,
-                23 => 1,
-                24 => 2,
-                31 => 1,
-                32 => 2,
-                33 => 2,
-                41 => 1,
-                42 => 1,
-                43 => 1,
-                44 => 1,
-                45 => 1,
-                46 => 1,
-                47 => 1,
-                48 => 1,
-                54 => 1,
-                55 => 1,
-                56 => 1,
-                57 => 1,
-                58 => 1,
-                59 => 1,
-                79 => 1,
-                80 => 1,
-                81 => 1,
-                82 => 1,
-                83 => 1,
-                85 => 1,
-                86 => 1,
-                87 => 1,
-                89 => 1,
-                90 => 1,
-                92 => 1,
-                93 => 1,
+                5   => 2,
+                9   => 1,
+                15  => 1,
+                20  => 2,
+                21  => 1,
+                22  => 2,
+                23  => 1,
+                24  => 2,
+                31  => 1,
+                32  => 2,
+                33  => 2,
+                41  => 1,
+                42  => 1,
+                43  => 1,
+                44  => 1,
+                45  => 1,
+                46  => 1,
+                47  => 1,
+                48  => 1,
+                54  => 1,
+                55  => 1,
+                56  => 1,
+                57  => 1,
+                58  => 1,
+                59  => 1,
+                79  => 1,
+                80  => 1,
+                81  => 1,
+                82  => 1,
+                83  => 1,
+                85  => 1,
+                86  => 1,
+                87  => 1,
+                89  => 1,
+                90  => 1,
+                92  => 1,
+                93  => 1,
+                97  => 1,
+                100 => 1,
             ];
 
         case 'DisallowTabIndentUnitTest.2.inc':