fix reshape boolean bug

[mtar]

Description

Fixes the reshape bug on booleans and on floats in some cases. Some tensors were using the dtype of the input by mistake.

Issue/s resolved: #682
Issue/s resolved: #654

Changes proposed:

• fix reshape on booleans

Type of change

Bug fix

Due Diligence

• All split configurations tested
• Multiple dtypes tested in relevant functions
• Documentation updated (if needed)
• Updated changelog.md under the title "Pending Additions"

Does this change modify the behaviour of other functions? If so, which?

no

[codecov]

Codecov Report

Merging #684 into release/0.5.x will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@              Coverage Diff               @@
##           release/0.5.x     #684   +/-   ##
==============================================
  Coverage          97.46%   97.46%           
==============================================
  Files                 87       87           
  Lines              17094    17101    +7     
==============================================
+ Hits               16660    16667    +7     
  Misses               434      434           

Impacted Files	Coverage Δ
heat/core/manipulations.py	99.22% <100.00%> (ø)
heat/core/tests/test_manipulations.py	99.92% <100.00%> (+<0.01%)	⬆️

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[lenablind]

Looks good to me - Thank you for fixing the bug!