patch 9.1.0504: inner-tag textobject confused about ">" in attributes

Problem:  inner-tag textobject confused about ">" in attributes
Solution: Skip over quoted '>' when determining the start position

fixes: #15043
closes: #15049

Signed-off-by: Christian Brabandt <cb@256bit.org>

src/testdir/test_textobjects.vim

@@ -201,6 +201,18 @@ func Test_string_html_objects()
     normal! 2k0vaty
     call assert_equal("<div><div\nattr=\"attr\"\n></div></div>", @", e)
 
+    " tag, that includes a > in some attribute
+    let t = "<div attr=\"attr >> foo >> bar \">Hello</div>"
+    $put =t
+    normal! fHyit
+    call assert_equal("Hello", @", e)
+
+    " tag, that includes a > in some attribute
+    let t = "<div attr='attr >> foo >> bar '>Hello 123</div>"
+    $put =t
+    normal! fHyit
+    call assert_equal("Hello 123", @", e)
+
     set quoteescape&
 
     " this was going beyond the end of the line